Malicious PDF — malware analysis report

Static analysis result for SHA-256 78d0c0a688fd2530…

MALICIOUS

PDF

17.1 KB Created: 2020-03-12 02:18:18 +00:00 Authoring application: mPDF 5.7
MD5: f128bd43cc9d243f5bda33c6776e1546 SHA-1: e83f1d3e85f5a927f0977111827e31827b93c289 SHA-256: 78d0c0a688fd253087ff5d36756507adf82ba49309f6bfdc6bb9349d05aa67ee
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm. It contains a large number of embedded URLs pointing to external PDF files, likely intended to lure users into downloading further malicious content or visiting compromised sites. No scripts were extracted, but the presence of numerous external links suggests a phishing or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

Heuristics 3

  • 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.Dropper.Agent-7789068-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7789068-0
  • 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 http://weisncio.myhome.cx/8623620628623624/The-Absolutely-True-Diary-of-a-Part-Time-Indian-by-Sherman-Alexie.pdf
    • http://weisncio.myhome.cx/3622622629629621/The-Absolutely-True-Diary-of-a-Part-Time-Indian-by-Sherman-Alexie.pdf
    • http://weisncio.myhome.cx/4625625623624623/Because-My-Father-Always-Said-He-Was-the-Only-Indian-Who-Saw-Jimi-Hendrix-Play-The-Star-Spangled-Banner-at-Woodstock-by-Sherman-Alexie.pdf
    • http://weisncio.myhome.cx/3629627621624/Flight-by-Sherman-Alexie.pdf
    • http://weisncio.myhome.cx/4628629624625/Ten-Little-Indians-by-Sherman-Alexie.pdf
    • http://weisncio.myhome.cx/4628620620624/Old-Shirts-amp-New-Skins-by-Sherman-Alexie.pdf
    • http://weisncio.myhome.cx/1623628628624626/Smoke-Signals-A-Screenplay-by-Sherman-Alexie.pdf
    • http://weisncio.myhome.cx/5622626629625626/Nh-t-K-Ho-n-To-n-C-Th-t-C-a-M-t-Ng-i-Anh-i-ng-B-n-Th-i-Gian-by-Sherman-Alexie.pdf
    • http://weisncio.myhome.cx/6620624627625/The-Girl-s-Guide-to-Absolutely-Everything-Advice-on-Absolutely-Everything-by-Melissa-Kirsch.pdf
    • http://weisncio.myhome.cx/2624624622623626/The-Pirates-of-Bair-Island-The-Absolutely-True-Adventures-of-the-Amazing-Faradays-1-by-Susan-Katherine-Rits.pdf
    • http://weisncio.myhome.cx/4629625621625627/True-Tails-from-the-Dog-Park-by-Kari-Sherman.pdf
    • http://weisncio.myhome.cx/8625621625629/Stopping-Time-Part-1-Wicked-Lovely-2-5-Part-I-by-Melissa-Marr.pdf
    • http://weisncio.myhome.cx/7622623629621620/The-Leap-Launching-Your-Full-Time-Career-in-Our-Part-Time-Economy-by-Robert-Dickie.pdf
    • http://weisncio.myhome.cx/5622622622626622/Telling-Time-Clocks-Diaries-and-English-Diurnal-Form-1660-1785-by-Stuart-Sherman.pdf
    • http://weisncio.myhome.cx/2629620620623621/Diary-of-the-Displaced---Part-2-by-Glynn-James.pdf
    • http://weisncio.myhome.cx/7627623626623628/A-Diary-of-Miracles-part-I-by-Aliss-Cresswell.pdf
    • http://weisncio.myhome.cx/4626622625622625/Doing-Time-with-Nehru-The-Story-of-an-Indian-Chinese-Family-by-Yin-Marsh.pdf
    • http://weisncio.myhome.cx/3620620625625627/The-Billionaire-Who-Boned-Me-Diary-of-a-Fuckdoll-Part-1-by-A-Violet-End.pdf
    • http://weisncio.myhome.cx/4628620624628621/The-Billionaire-Who-Phoned-Me-Diary-of-a-Fuckdoll-Part-4-by-A-Violet-End.pdf
    • http://weisncio.myhome.cx/6626629622628620/Horribly-Marvelous-The-Diary-of-Cyndi-Victoria-Chase-Part-One-Miracle-Week-by-Troy-CLE.pdf