MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, traff.com, which is likely used to obscure the final destination. The document body, though heavily obfuscated, contains text related to 'embryology mcq questions and answers', suggesting a lure to attract users seeking educational material. The presence of a large number of external links, including benign ones hosted on Shopify, indicates a link farm strategy to improve search engine ranking and distribute malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=embryology+mcq+questions+and+answers
- http://novuwuku.pondsidestudio.net/uploads/1/3/1/1/131164250/4247397.pdf
- http://files.pleasantgreenmethodist.org/uploads/1/3/2/6/132695365/lemegasudupewe_bomepapasez_vewamaxibanobom_rimilisanul.pdf
- http://files.dmkconstruction.org/uploads/1/3/0/7/130775009/tukipok.pdf
- http://files.radomirtodorov.com/uploads/1/3/1/6/131606984/garokof.pdf
- http://bazoxojiw.jessiebeefit.com.au/uploads/1/3/2/8/132815045/81438230a9f6.pdf
- https://cdn.shopify.com/s/files/1/0428/5267/9836/files/zitadisubemamisanoxapigis.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mirizopenifipometetotagoz.pdf
- https://cdn.shopify.com/s/files/1/0437/3191/0821/files/35129142549.pdf
- https://cdn.shopify.com/s/files/1/0434/4463/3756/files/21098063719.pdf
- https://cdn.shopify.com/s/files/1/0427/8134/3900/files/fedopixugomorusujeb.pdf
- https://cdn.shopify.com/s/files/1/0434/4945/0661/files/vivumaxo.pdf
- https://cdn.shopify.com/s/files/1/0436/6431/0425/files/7895424094.pdf
- https://cdn.shopify.com/s/files/1/0449/9360/9896/files/sutura_catgut_cromico.pdf
- https://cdn.shopify.com/s/files/1/0438/6127/8870/files/lesubajesadoloziseti.pdf
- https://cdn.shopify.com/s/files/1/0434/4207/7852/files/quicktime_alternative_1._81.pdf
- https://cdn.shopify.com/s/files/1/0430/3365/7507/files/94545779599.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006425.binb3146d14e80841b078c9d3bb28a48ccf8d2ea45ef2ebcda6d2b7d6258762bd99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6425 | 5556 bytes |
font_01_sfnt_off000076f9.bin7755df632d4041fa91cd452dbcc4289117eb9b47c4ef027c1dc8b1845d7fc8fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F9 | 10180 bytes |
font_02_sfnt_off000099b2.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99B2 | 4324 bytes |
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