MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text referencing 'tax file declaration form pdf 2016' and includes the malicious URL, suggesting a phishing lure. The presence of a link farm further indicates an attempt to distribute malicious content.
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.ru/wb?keyword=tax%20file%20declaration%20form%20pdf%202016
- http://files.elliewakeman.com/uploads/1/3/1/1/131164504/gomosinibusuk_fevewud_nefapafibi.pdf
- http://files.leedokyun.com/uploads/1/3/2/7/132712093/kakebe_sojiwag_kemuxaruno_wunafuwilegud.pdf
- http://files.claireallenviolin.com/uploads/1/3/2/6/132681891/dukexadixe.pdf
- http://files.novelideasbylaura.com/uploads/1/3/1/1/131163898/merefazonofurof.pdf
- https://cdn.shopify.com/s/files/1/0431/3700/7778/files/94032475927.pdf
- https://cdn.shopify.com/s/files/1/0432/2295/8248/files/albanesische_studien.pdf
- https://cdn.shopify.com/s/files/1/0431/4241/4493/files/nefufuxikivosepabub.pdf
- https://cdn.shopify.com/s/files/1/0428/4183/3635/files/dopajekakopeboje.pdf
- https://cdn.shopify.com/s/files/1/0429/2971/7407/files/zilaxivawovas.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jikas.pdf
- https://cdn.shopify.com/s/files/1/0437/9174/5185/files/mibufovonasowufu.pdf
- https://cdn.shopify.com/s/files/1/0428/2328/6940/files/64841579392.pdf
- https://cdn.shopify.com/s/files/1/0436/9675/0742/files/jikazezenazevafuvobemipa.pdf
- https://cdn.shopify.com/s/files/1/0436/8711/6965/files/geometrical_isomerism_in_oximes_and_alicyclic_compounds.pdf
- https://cdn.shopify.com/s/files/1/0434/1579/7917/files/80598154569.pdf
- https://cdn.shopify.com/s/files/1/0433/9721/8460/files/20994820661.pdf
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/conjunctions_worksheet_for_class_4.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_off00005fa3.bina18028986096a92bedbebbd442b1a00557fa6f6c6f78c10c80c8f026837cc72c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FA3 | 5620 bytes |
font_01_sfnt_off000072b4.binbcb73246e271dc05a45836b073ecd8be2ae2d04b27f18119cca501a3863cff4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72B4 | 10848 bytes |
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