PDF malware analysis — malicious · 3eb367bc5a35b816

MALICIOUS

PDF

77.8 KB Created: 2021-08-05 02:38:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05

MD5: b008294a4dbd209b24201b78458755f1 SHA-1: 5202b81855618b73893dad3000b21916300a5b46 SHA-256: 3eb367bc5a35b816dbdc15f7f3b674444ed898ee71c463617e508054e66b2f76

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that point to compromised WordPress sites and other disposable hosting. These links are likely designed to lure users into phishing scams or to download further malicious payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9973

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
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 https://allytemp.ru/uplcv?utm_term=r+for+everyone+advanced+analytics+and+graphics PDF link annotation
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db1f52921b4---28380294639.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f06f1df9d---30499521249.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607c347ab69a3---37179051918.pdfIn PDF document text
- https://mimpiindah168.com/contents//files/61292836324.pdfIn PDF document text
- http://thelonerangerfanclub.com/ckfinder/userfiles/files/kelejuwixu.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/p54pjb1h3qg0uf26in6lqmkskq/lezowajawut.pdfIn PDF document text
- https://cordovajewelry.com/images/file/10487461894.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/c2f7db0f7932f8b9b633de0f78ab7457/riposodurajo.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d923da94726---74928177285.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607ddb6390aa6---40357948775.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/6a6e75fb0b7ddd64fc1537c10c3acee5/88822176496.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c5355639f92---34576433443.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/6c748aeba4da7b067c23666ea9e313aa/76256617603.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/73030f2cdf7d0719bcdf113dd97a9b54/27125375686.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/6f5a6ec46ba937b75359f603b79ca9f3/27539835507.pdfIn PDF document text
- http://urotunisia.com/uploads/FCK_files/file/safuj.pdfIn PDF document text
- http://banphimchuot.com/userfiles/file/mufagatilaw.pdfIn PDF document text
- http://abwalabamaave.com/uploads/files/94885907373.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/u6eebgkggbrfjc1d130jkcmp22/14683073979.pdfIn PDF document text
- https://firsatpin.com/calisma2/files/uploads/xuguzugopu.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609afdbe2418a---botibok.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/1305995a4aebf4df167c3ae5b1ebed25/88973353529.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/5np0ahqq89bhti3droupa7e39e/27080262939.pdfIn PDF document text
- https://chiuman-hk.com/images/file/larewuwoduvojomamaxe.pdfIn PDF document text
- 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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c962.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC962	11124 bytes
SHA-256: `952d2bf4bc69ef35430d90e277a8137e3acf504468b6c1e2597e0d741ee9a2b9`
`font_01_sfnt_off0000e322.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE322	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off0000fb34.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFB34	17452 bytes
SHA-256: `4fc2bea66a2c774759fb2dfd3ecce6f00fa8f3b2d7911dbe011c4252cf2be6e7`

Open this report in the interactive analyzer, or submit your own file for analysis.