PDF malware analysis — malicious · faab2f64ff081a52

MALICIOUS

PDF

64.0 KB Created: 2021-03-24 20:36:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4c27a82ede6cfa77ae675bd822cf17ec SHA-1: 44418f7602ffea201b42dd67f7ca97f426912cc6 SHA-256: faab2f64ff081a52dc646a8a1a79915e04a05db6b06272fe61b322f60289fccf

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains numerous external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and extensive external linking suggest it's designed to exploit vulnerabilities or trick users into visiting compromised URLs.

Machine Learning

Nyx PDF Classifier malicious score 0.8535

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
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://midufefew.ru/strik?utm_term=gap+day+trading+strategies
- https://cdn.sqhk.co/gusisezepemu/jL0ifjg/lawugikagenivoduwovoper.pdf
- http://changely.club/python_tricks_and_tips7mx9g.pdf
- https://cdn.sqhk.co/pesuxitum/cZAhche/skyrim_summon_dragon_priest_spell.pdf
- https://cdn.sqhk.co/jotoselu/ihhag5B/ikea_dresser_with_mirror_black.pdf
- http://forkidsshop.online/rational_fasting_challenge92cxt.pdf
- https://cdn.sqhk.co/batijuretak/jiaEjh0/house_paint_sprayer_reviews.pdf
- http://matrixbicycles.com/how_to_file_a_claim_with_verizon_total_mobile_protection54xr0.pdf
- https://cdn-cms.f-static.net/uploads/4468831/normal_60527cdff03fe.pdf
- https://falatunasozenu.weebly.com/uploads/1/3/4/7/134762474/zufofeviwi_xefuwofafakab_ditawan.pdf
- https://cdn.sqhk.co/febowozefu/c25uhcy/31003417956.pdf
- https://cdn.sqhk.co/kinubowa/jjjd55d/zombie_apocalypse_map_maker.pdf
- http://autoport76.online/set_top_box_application_formcwvjw.pdf
- https://static.s123-cdn-static.com/uploads/4480174/normal_5fc7530c2866d.pdf
- https://cdn.sqhk.co/zosikoto/icgdie6/resenigeseropolarujat.pdf
- https://cdn.sqhk.co/lilaxikixo/uNijgir/xinunepalajojav.pdf
- https://wixotofipexux.weebly.com/uploads/1/3/5/4/135400714/08bbfe073c.pdf
- https://fulejuroj.weebly.com/uploads/1/3/0/8/130874432/figowani.pdf
- http://help-lnstagramcopyrights-verify.com/my_little_big_planet_3_gameplaym4gnh.pdf
- https://nibukebomuxa.weebly.com/uploads/1/3/1/4/131455734/2860277.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/janodojivi/kefenifixefabal.pdf
- https://s3.amazonaws.com/jijari/85201012798.pdf
- https://s3.amazonaws.com/tinezedu/12870811818.pdf
- https://s3.amazonaws.com/rawesaragegugar/legomopesufu.pdf
- https://s3.amazonaws.com/wovisak/risadulanoxofulukubol.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ea8d.bin` `3b603e303404fcb73bcb347beef9abed3f28e2654d3516240c05c7c02f97e826`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEA8D	5228 bytes

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