MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a free download for 'Html tags pdf free download'. It also features a link farm with numerous external PDF links, many hosted on Shopify, to obscure the malicious destination. The ML classifier strongly indicated maliciousness, and the presence of a redirector URL confirms the intent to lead the user to a harmful site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://ttraff.cc/pify?keyword=html+tags+pdf+free+download
- http://files.claraceciliaatkins.com/uploads/1/3/0/9/130969148/cbf7a3baf83c.pdf
- http://files.ruraltrainingsolutions.com/uploads/1/3/1/3/131383661/7024416.pdf
- http://files.clarabinteriors.co.za/uploads/1/3/1/4/131407424/ruvurigig.pdf
- http://files.scatteringtheseed.com/uploads/1/3/2/6/132681080/7272039.pdf
- https://cdn.shopify.com/s/files/1/0431/4274/2167/files/80536748187.pdf
- https://cdn.shopify.com/s/files/1/0432/1745/3211/files/68018719789.pdf
- https://cdn.shopify.com/s/files/1/0431/2249/1553/files/76769718255.pdf
- https://cdn.shopify.com/s/files/1/0434/9234/3970/files/36855729625.pdf
- https://cdn.shopify.com/s/files/1/0433/9276/2017/files/busevujadej.pdf
- https://cdn.shopify.com/s/files/1/0435/3405/7621/files/vezulobukebijone.pdf
- https://cdn.shopify.com/s/files/1/0428/3059/4204/files/9373822925.pdf
- https://cdn.shopify.com/s/files/1/0436/8351/2473/files/64409781800.pdf
- https://cdn.shopify.com/s/files/1/0430/3981/7890/files/nolalifiwisabezafixupefuf.pdf
- https://cdn.shopify.com/s/files/1/0437/2017/9864/files/50046870480.pdf
- https://cdn.shopify.com/s/files/1/0431/0060/2525/files/26629570218.pdf
- https://cdn.shopify.com/s/files/1/0431/2793/1029/files/sevoxeruwevovikaluwuxek.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000083be.bin8bbfc2e338ff2929d6cf1b9ee00ff53d67ee69f2a5e50a4292ffc40fb3c2f89f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83BE | 5152 bytes |
font_01_sfnt_off0000953e.binf5965053da23bcabd9841a4b3a796f8ba2b02012e7877d2d0f8e237fe11c3b7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x953E | 16576 bytes |
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