Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d8a099cdec28656…

MALICIOUS

PDF

42.4 KB Authoring application: OpenOffice Draw First seen: 2020-09-24
MD5: ae4af4dfa6572c7b47094ebdf2856cc2 SHA-1: 79e2c9addc19ec89f9c2a6717ce7e67baf9fb486 SHA-256: 7d8a099cdec2865668af79c453d16fb462ce04a6d4051d672f63830e19bff75b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to numerous other PDF files hosted on various domains, suggesting a link farm or distribution mechanism. The ClamAV detection and ML classifier further indicate malicious intent, likely related to phishing or malware distribution through these linked documents.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://daytonarescuemission.org/uploads/1/3/0/4/130488165/9226531.pdf In PDF document text
    • http://terrapin-llc.com/uploads/1/3/0/6/130622104/ludorinaku.pdfIn PDF document text
    • http://odazzitclub.com/uploads/1/3/0/3/130323253/4128558.pdfIn PDF document text
    • http://bestofthemenu.com/uploads/1/3/0/7/130775214/vubuxolojejogog.pdfIn PDF document text
    • http://farmlawyer.com/uploads/1/3/0/5/130551231/8759685.pdfIn PDF document text
    • http://deas-guyz.com/uploads/1/3/0/2/130271161/kojogavorexava.pdfIn PDF document text
    • http://www.fatcityrocks.com/uploads/1/3/0/5/130538902/gijazuvimijeva.pdfIn PDF document text
    • http://urbanfreshfarms.biz/uploads/1/3/0/8/130814003/sinamunigo-lojumeju-balivumivev.pdfIn PDF document text
    • http://liquidbluesrq.com/uploads/1/3/0/8/130814258/lumamivirinevu.pdfIn PDF document text
    • http://mail.seeplh.com/uploads/1/3/0/2/130272420/dewuguwobem.pdfIn PDF document text
    • http://phonetac.com/uploads/1/3/0/2/130271132/sapuzef.pdfIn PDF document text
    • http://airoparkourfreerun.com/uploads/1/3/0/6/130639362/lovenogewusal.pdfIn PDF document text
    • http://austinturley.co/uploads/1/3/0/5/130550660/6703355.pdfIn PDF document text
    • http://jolyongray.net/uploads/1/3/0/6/130639282/jizijavubujajov_bukoniz.pdfIn PDF document text
    • http://www.slowlifedoc.com/uploads/1/3/0/4/130488861/miluzolilu.pdfIn PDF document text
    • http://memoriesforever.voyagerwebsites.com/uploads/1/3/0/3/130323585/6071577.pdfIn PDF document text
    • http://filter1.santaclarahighschool.com/uploads/1/3/0/5/130539414/666f6768f05fd9f.pdfIn PDF document text
    • http://westernsierratelecom.com/uploads/1/3/0/9/130969701/nugoropebino.pdfIn PDF document text
    • http://www.flygirldistrict.com/uploads/1/3/0/4/130483986/5869b9474977.pdfIn PDF document text
    • http://nachomamanc.com/uploads/1/3/0/2/130272586/6338e845db75e.pdfIn PDF document text
    • http://musicenvironment.com/uploads/1/3/0/7/130738507/guduw.pdfIn PDF document text
    • http://adultaspect.org/uploads/1/3/0/9/130969089/julelabuluni_rapixexodake_kiledo.pdfIn PDF document text
    • http://mta-sts.mx.guestcaboose.com/uploads/1/3/0/6/130605381/130605381.html#joshua+heschel+the+sabbathIn PDF document text
🗂 Part of campaign: daytonarescuemission.org 4 samples

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000045a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x45A4 7704 bytes
SHA-256: 1083ecd7f2725b3eb1822c542c739e8c2c3106eb659cb5f5a168f5fff5371068

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