Malicious PDF — malware analysis report

Static analysis result for SHA-256 2170bd861dfd5749…

MALICIOUS

PDF

34.9 KB Authoring application: LibreOffice Draw
MD5: 5b2bc04183effdd543a1a797ea85bac2 SHA-1: 0ae955980913680b09dc6b7f66f7562887b177ee SHA-256: 2170bd861dfd5749290a87a424005a90b6996e65f617f440927d459fc1b6154b
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to other PDF files, a technique commonly used for SEO poisoning or to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. The document body, though heavily corrupted, contains fragments related to 'back pain' and 'pregnant', suggesting a lure to exploit user concerns.

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.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://nanaglensolarfarm.com.au/uploads/1/3/0/5/130543074/ditaguzazejuv_wadisonotomavu_zetimudut_rudafirab.pdf
    • http://nortegrandeenelmundo.com/uploads/1/3/0/7/130739968/pokuvozepazuren.pdf
    • http://optimumonsite.com/uploads/1/3/0/6/130640003/femez-bukiwuj-sapixezokaw-xosigixewi.pdf
    • http://ottawaalleganhttf.org/uploads/1/3/0/3/130379206/5331844.pdf
    • http://pyrowinecellars.com/uploads/1/3/0/5/130539016/98625.pdf
    • http://frenchculinaryadventures.com/uploads/1/3/0/7/130774981/124644.pdf
    • http://motwh.org/uploads/1/3/0/7/130776330/125d8fb1ab.pdf
    • http://pjbarkerlaw.com/uploads/1/3/0/6/130620889/welebemixumu.pdf
    • http://kidsdentistsandbraces.com/uploads/1/3/0/5/130589218/4806395.pdf
    • http://cincinnatikelts.com/uploads/1/3/0/5/130589050/nekasinedaborobi.pdf
    • http://christianmusicandbooks.us/uploads/1/3/0/3/130324270/1e8a594.pdf
    • http://dirtybadboys.com/uploads/1/3/0/7/130740244/pubirimositawom.pdf
    • http://half-nelson.com/uploads/1/3/0/3/130379361/35c4569a91763.pdf
    • http://cassusfunnels.com/uploads/1/3/0/7/130739593/zorarumapufa.pdf
    • http://misssupremepurityqueen.com/uploads/1/3/0/5/130540406/130540406.html#bad+back+pain+6+weeks+pregnant
    • http://nanaglensolarfarm.com.au/uploads

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fec.bin
941ed3f45608fda5d1be44166cd492acff65da2d77f2b2e4db5dc3f5309b33a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FEC 7416 bytes

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