Malicious PDF — malware analysis report

Static analysis result for SHA-256 82fbf8e84f7072fd…

MALICIOUS

PDF

54.5 KB Authoring application: pstoedit First seen: 2020-09-24
MD5: 4e39a53b5222ec3c231af2a56c265fcc SHA-1: 706ccaedb809da0830411df975c921ea599e7316 SHA-256: 82fbf8e84f7072fde2599f1b887cf09d9a54003c8b32081e4f4e62ce1163de3d
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or SEO spam campaign. The document contains a large number of embedded external links, likely intended to manipulate search engine rankings or redirect users to malicious sites. While no scripts were explicitly extracted, the presence of embedded URLs and the 'SE_ENABLE_LURE' heuristic suggest an attempt to trick the user into interacting with the document, potentially leading to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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.
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
  • 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://ben.eliadore.com/uploads/2020/01/27/7110424.pdf In PDF document text
    • http://lilmissrealtor.com/uploads/1/3/0/4/130436367/4153024.pdfIn PDF document text
    • http://learningstem.info/uploads/1/3/0/4/130476313/bozagizuze-wezadetixovid-lowakejas-vanelabir.pdfIn PDF document text
    • http://semamewo.walkwork.info/uploads/2020/01/28/6631893.pdfIn PDF document text
    • http://sodewu.tehnika-ask.ru/uploads/2020/01/27/jaxuga.pdfIn PDF document text
    • http://africanretreats.com/uploads/1/3/0/6/130605115/jinugi.pdfIn PDF document text
    • http://myoregonterritory.com/uploads/1/3/0/4/130435819/gogira.pdfIn PDF document text
    • http://theapostolicchurch-newlife.org/uploads/1/3/0/2/130271214/zenavidawojugerek.pdfIn PDF document text
    • http://mermaidfitnessbump.com/uploads/1/3/0/4/130477028/510ff9d7149efbe.pdfIn PDF document text
    • http://coolboymusic.us/uploads/1/3/0/6/130639105/pofaxeretununo.pdfIn PDF document text
    • http://porotewo.mumi-dol.ru/uploads/2020/01/27/2640039.pdfIn PDF document text
    • http://quartzvanitydirect.com/uploads/1/3/0/6/130621839/wibigewolar_mifijorufuganep.pdfIn PDF document text
    • http://syrettdesigns.com/uploads/1/3/0/2/130272247/d3291f165b9287f.pdfIn PDF document text
    • http://rollnrock.com/uploads/1/3/0/5/130590373/51cb0b53690c37f.pdfIn PDF document text
    • http://nhca-lions.org/uploads/1/3/0/5/130590577/61c91.pdfIn PDF document text
    • http://dipetusene.as-ru.ru/uploads/2020/01/27/ffb7c159f6e.pdfIn PDF document text
    • http://nija.trouversfr.info/uploads/2020/01/27/morabojuzupufunibob.pdfIn PDF document text
    • http://businessandhome.weebly.com/uploads/1/3/0/2/130288520/kopoveroge-xojuzimomagisa-bavobipufibow-bofebor.pdfIn PDF document text
    • http://riversidecountyhistory.org/uploads/1/3/0/6/130639136/130639136.html#which+physical+law+underlies+the+first+law+of+thermodynamics+mastering+physicsIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000169a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x169A 10268 bytes
SHA-256: 146e6917f87d7dcd4f18e0b2f79af31ce8b9f33ed670c7f7c27624171b2e9f6c
font_01_sfnt_off00008c3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C3B 17092 bytes
SHA-256: f073504f0eec2f6c17bd1b2b0fb5482d4587dafa339116302abf388ce0677ea7

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