PDF malware analysis — malicious · 0d3d572f8fb73f8c

MALICIOUS

PDF

90.1 KB Created: 2021-07-08 21:30:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14

MD5: aa59182ad21fde924d296d6faeb22f6a SHA-1: f0c715c5a61d38caba176eab759012d97f754932 SHA-256: 0d3d572f8fb73f8c907f6f5e6e2175d0ba13c1b189960c3998648463253020ab

176 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9924

Heuristics 7

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://lyshiying.com/d/files/lefusisizukovuwafede.pdf In PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d25174e7dd2---suzazijexojupi.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/9ee93bf272ac5ff3471941d3aabb50a3/83202290743.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/ff9ee036f698cf94d1d182c942f72fc8/xebuvo.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/zotazagox.pdfIn PDF document text
- http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb6abb5cb2---72658372498.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/626aa97ad025238d3806443ba77d5cac/42566017865.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/5579d407cc91635bcf818fdeb5f76c9c/57405457787.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f88e945a2---dejilagi.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/94df3itrmc5ik2jl577dstii60/36393232888.pdfIn PDF document text
- http://consoles-a-gagner.com/fckeditor/userfiles/file/78702237450.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f24dc53bc9---pivariromuzipoz.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/312af251c1afca77e88a35d239c6c2a1/11563154696.pdfIn PDF document text
- http://cdseoulps.com/uploadfile/fckeditor/file/motubejufuzarakepejodixub.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080f2ca73932---dodewakelosorowerogikujes.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/7e86250a9041dea6114f36bc600f0679/13644836863.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a6405ee1f93---kevevagibufawofafu.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/d4c53bc89f455fd9047235e0043e7c64/tuwopuxumedizax.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1600ab180---89612409287.pdfIn PDF document text
- https://propiedades.net/ckfinder/userfiles/files/kopikupepuw.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/89609047561.pdfIn PDF document text
- http://novichiha.ru/pic/file/wiserodab.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/1264738085.pdfIn PDF document text
- https://mosallaesf.ir/uploads/ck/files/wumeviliv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=present+and+continuous+tense+exercisesPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e881.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE881	10520 bytes
SHA-256: `9ec87ca37fbfba31318f15b28ba7871f8d08012564134b0bbcc2e9362126a38b`
`font_01_sfnt_off0001009e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1009E	16260 bytes
SHA-256: `7b1dd8b18a7f683344fa3d53d165235129faf14c20b7fc85309d363fe79e3708`
`font_02_sfnt_off00011692.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11692	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_03_sfnt_off00012ea4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12EA4	16960 bytes
SHA-256: `0ae790e30b4efd2fc05f7df1bfdca4781bbbb44e671f284f4d5363a543675323`

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