PDF malware analysis — malicious · 60f06966e45f41b3

MALICIOUS

PDF

87.3 KB Created: 2021-03-28 01:31:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 03b29d5e18995ead9f0157e5e46fdc8b SHA-1: 38fb9b6026883c391c799bd5888a7b73a99ed338 SHA-256: 60f06966e45f41b3cabd636e3f1aa285f5908cd20e34eccbd15b97370d1e1c28

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, many of which point to other PDFs, suggesting a link farm or SEO abuse tactic. The ClamAV detection and ML classifier indicate malicious intent, likely phishing or malware distribution. The embedded links are designed to redirect users to potentially malicious websites.

Machine Learning

Nyx PDF Classifier malicious score 0.5600

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://leonvi.ru/award?keyword=rational+function+word+problems+with+solutions+pdf
- https://cdn-cms.f-static.net/uploads/4392237/normal_5fdb7e8d30011.pdf
- http://woxupepij.iblogger.org/73935348530.pdf
- https://static.s123-cdn-static.com/uploads/4414164/normal_5fff9bc721179.pdf
- https://cdn-cms.f-static.net/uploads/4484631/normal_5fe79b8acee39.pdf
- https://static.s123-cdn-static.com/uploads/4466165/normal_5fdd853a795b6.pdf
- https://bivojivowuru.weebly.com/uploads/1/3/4/7/134726538/diwufel_rolizezimug_lanesin.pdf
- http://fozurev.22web.org/65468790779.pdf
- http://dayzcommunity.info/63127450141rl88d.pdf
- http://startbastar.online/17066102437xlfcd.pdf
- https://static.s123-cdn-static.com/uploads/4404103/normal_5ff496a9c8600.pdf
- http://selectgetc.top/maxixuwejosivakadew7q86q.pdf
- https://cdn-cms.f-static.net/uploads/4475992/normal_5fe8794cbc6ea.pdf
- https://fokikemapusa.weebly.com/uploads/1/3/1/3/131398543/77006e.pdf
- https://cdn-cms.f-static.net/uploads/4369322/normal_605d6bc22240a.pdf
- https://cdn-cms.f-static.net/uploads/4391340/normal_600a02a7889ce.pdf
- https://bupogoduvokog.weebly.com/uploads/1/3/4/6/134690502/9945104.pdf
- https://cdn-cms.f-static.net/uploads/4403541/normal_604ca77b2f6de.pdf
- https://static.s123-cdn-static.com/uploads/4385434/normal_5fc968783cd9a.pdf
- https://tebukebodo.weebly.com/uploads/1/3/1/3/131381901/poruxipelopidesibik.pdf
- https://xuvibelatubeni.weebly.com/uploads/1/3/5/3/135306186/vavipujenixobemipon.pdf
- http://pubgucbayim.com/all_books_by_haruki_murakamiiif94.pdf
- http://leomannapov.com/kepagezajgi60.pdf
- https://static.s123-cdn-static.com/uploads/4404528/normal_5ff258990158e.pdf
- https://cdn-cms.f-static.net/uploads/4469370/normal_5fe90ee142928.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://zomimek.epizy.com/15262236395.pdf
- http://xaduwefel.rf.gd/51587182181.pdf
- http://dumumuvuxu.epizy.com/foxizulepiwoleb.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00014e39.bin` `c7dd3f17f49ab2baa0b82c07889a767f7ec6dd409add523996c1d4e98c533acd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14E39	5636 bytes

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