PDF malware analysis — malicious · 4458745959032656

MALICIOUS

PDF

75.3 KB Created: 2022-05-09 21:27:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07

MD5: 6f5b0ec4bc3b3c8c89f3ef1e86c288b7 SHA-1: a6d84e324e39440b7ad0b3b6abcda49aba5523f7 SHA-256: 4458745959032656970a6b4de7d9e851bde3f283c3cd99ff805747ec96c3ded8

216 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9991

Heuristics 7

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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://wirut.co.za/YmrXLWy8?keyword=hooked%20on%20toefl%20ibt%20listening%20pdf%20online%20free%20pdf2go PDF link annotation
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621b423c6fd7e---51588386514.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16227b397af2c6---fagujigepatedimenav.pdfIn PDF document text
- https://masomubomifok.weebly.com/uploads/1/3/1/4/131406343/bipetono_refopefis_nalanedeleginor.pdfIn PDF document text
- https://bifuwesulowun.weebly.com/uploads/1/3/4/3/134308915/9883562.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16243a86cc2403---53084698934.pdfIn PDF document text
- https://kazusabetife.weebly.com/uploads/1/3/5/3/135318045/xuzivelexipezifoful.pdfIn PDF document text
- https://retixuzekuzexaw.weebly.com/uploads/1/3/4/3/134375726/zuribetev-torebu-samomalolomag-rejodim.pdfIn PDF document text
- https://topejaliwas.weebly.com/uploads/1/3/4/3/134305960/gajevizulab_jilarutijik_zatazafisuf.pdfIn PDF document text
- https://wutaleba.weebly.com/uploads/1/3/5/3/135390467/199975.pdfIn PDF document text
- https://ketulujuzix.weebly.com/uploads/1/3/4/6/134649002/4302103.pdfIn PDF document text
- https://domexuvuk.weebly.com/uploads/1/3/0/7/130740212/c30b04f4.pdfIn PDF document text
- https://varukixenusenat.weebly.com/uploads/1/3/4/7/134700479/bemedevunatilasudox.pdfIn PDF document text
- https://quangcaowebsite.vn/uploads/files/47634576962.pdfIn PDF document text
- https://taxesopeduvowi.weebly.com/uploads/1/4/1/4/141429100/wunugedigobixop-jiwipalow-sibezale-satid.pdfIn PDF document text
- https://mawubisevidezo.weebly.com/uploads/1/3/4/4/134480432/woxidewofofoponug.pdfIn PDF document text
- https://neverazu.weebly.com/uploads/1/3/4/9/134901342/konog.pdfIn PDF document text
- https://sakosewarelutu.weebly.com/uploads/1/4/1/3/141351704/9849f0.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_off0000c1e6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC1E6	10856 bytes
SHA-256: `815da0f608d07d33e4e955ee46b8400caff60cae2caa4a2c387c47957ec9f76b`
`font_01_sfnt_off0000da9c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDA9C	17724 bytes
SHA-256: `358b5e2cbf80f6bbc1b977fb94ef4fb3a273727269e87a351c9bf6873222b2c4`
`font_02_sfnt_off000107ab.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x107AB	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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