Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1d9a2108af4ad00…

MALICIOUS

PDF

35.4 KB Authoring application: ImageMagick First seen: 2020-09-24
MD5: 6caf334b1e959411cb7a0c91a60e9360 SHA-1: 9606f78815027278aa56c1e612ed07d415a71183 SHA-256: d1d9a2108af4ad009c8477db53b8cf7e91331b24f4e8f2ca1dadd2b5dad3998e
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. This indicates a likely attempt to manipulate search engine results or redirect users to malicious content. The ClamAV detection further supports its malicious nature. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://morningtonpeninsulacaravanstorage.com/uploads/1/3/0/6/130639318/7359184.pdf In PDF document text
    • http://makahisland.com/uploads/1/3/0/7/130739061/keraniba-taronasetij-ribogafulizor.pdfIn PDF document text
    • http://khoekijalebi.com/uploads/1/3/0/3/130313634/6273724.pdfIn PDF document text
    • http://rochecenter.org/uploads/1/3/0/3/130379597/3854870.pdfIn PDF document text
    • http://larusonproperties.com/uploads/1/3/0/6/130604855/47367eaf741.pdfIn PDF document text
    • http://offpeaktraining.net/uploads/1/3/0/6/130604803/fujel.pdfIn PDF document text
    • http://billyxmas.com/uploads/1/3/0/4/130491852/8818878.pdfIn PDF document text
    • http://meridiannow.com/uploads/1/3/0/2/130287873/zulowamofovubu_rixezisixeba_lujoxixodo_jipuxu.pdfIn PDF document text
    • http://farmsforsaledirectory.com/uploads/1/3/0/7/130738638/9226048.pdfIn PDF document text
    • http://heroicdecay.com/uploads/1/3/0/2/130272945/sosadu_suvorovugosi_goxeguzazizoj_wesogofuf.pdfIn PDF document text
    • http://832.bpmtc.com/uploads/1/3/0/5/130550847/130550847.html#the+effects+of+fetal+alcohol+syndrome+quizletIn PDF document text

Related samples 8

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_off00003507.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3507 7680 bytes
SHA-256: 7b2dc79d99d7ab6428aeedae91d0c8c59ef9d8db2ef10407df2d2f1b060da109

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