MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, 'https://ttraff.com/pify?keyword=hematology+ebook+pdf', is identified as a malicious redirector. The document body also contains this URL and numerous other Shopify links, suggesting a link farm designed to obscure the malicious destination. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is part of a phishing or scam campaign.
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.com/pify?keyword=hematology+ebook+pdf
- http://files.overthewire.co/uploads/1/3/1/4/131437532/2819802.pdf
- http://files.alfatihainstitute.com/uploads/1/3/1/3/131383553/bf59b5909433c.pdf
- http://files.mindfulvisionaries.com/uploads/1/3/1/1/131163834/tujopufuzi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rimudunibodosugesujusuvud.pdf
- https://cdn.shopify.com/s/files/1/0432/2387/5746/files/39332328585.pdf
- https://cdn.shopify.com/s/files/1/0428/4727/3116/files/bujamijosagepewes.pdf
- https://cdn.shopify.com/s/files/1/0428/2341/8019/files/vubikasekipolumutafu.pdf
- https://cdn.shopify.com/s/files/1/0434/8405/3669/files/fish_nutrition_in_aquaculture.pdf
- https://cdn.shopify.com/s/files/1/0429/1795/3702/files/confederacy_of_dunces_summary.pdf
- https://cdn.shopify.com/s/files/1/0432/8043/3310/files/belufokasemab.pdf
- https://cdn.shopify.com/s/files/1/0428/4035/9068/files/tipimapafeguj.pdf
- https://cdn.shopify.com/s/files/1/0434/0636/0730/files/40372055706.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067c5.bin07d74e20a40307f988194a1db26f974d909ff64b6a996a1435a989c4accb6c16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67C5 | 5356 bytes |
font_01_sfnt_off000079f2.bin9239427f06aa102702b2719499396f3876ada9393f542e8517d8df342c9ca990 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79F2 | 10232 bytes |
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