Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cd5f592c27ea13c…

MALICIOUS

PDF

45.6 KB Authoring application: OpenOffice Draw
MD5: 3ccdfdf91853b64784c7aae69c0be01c SHA-1: eede2675b809032f86f6ccbcffab8e1675439e3b SHA-256: 2cd5f592c27ea13c7a2274277f370a4d1a2cadfa7abfefeff3250352ceaad692
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious nature of this file. No scripts were extracted from this sample, and the document body content is largely unreadable, making it difficult to determine the exact user-facing lure.

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://www.lixfood.com/uploads/1/3/0/9/130968960/2590682.pdf
    • http://glumacweld.services/uploads/1/3/0/8/130874099/sujakusagugipesuv.pdf
    • http://goonmud.com/uploads/1/3/0/7/130776462/e8d78.pdf
    • http://oneskylane.net/uploads/1/3/0/6/130604639/9454535.pdf
    • http://simonbaatz.org/uploads/1/3/0/5/130539658/labujoboselujeded.pdf
    • http://metropolitaneprep.com/uploads/1/3/0/6/130620512/gexavuguj.pdf
    • http://cobex.fr/uploads/1/3/0/2/130291552/natuwoxufivuje-javinixanijuji.pdf
    • http://alternativemedicine24.com/uploads/1/3/0/2/130271015/1333208.pdf
    • http://clickblossom.com/uploads/1/3/0/8/130874163/6336517.pdf
    • http://townhousemarketing.com/uploads/1/3/0/7/130775427/6ac06.pdf
    • http://wikifundmanager.com/uploads/1/3/0/4/130476221/xadewuwelibuv-lawalamuvobe-vegajazoro-pikuzusu.pdf
    • http://oreginconference.com/uploads/1/3/0/2/130272420/8388868.pdf
    • http://filthysnottingham.com/uploads/1/3/0/4/130483879/zudugarevaduku.pdf
    • http://defenderofthemeek.com/uploads/1/3/0/5/130551754/muwamavotoxotar-surelupej-duwifopovadop.pdf
    • http://naiadenorthamerica.com/uploads/1/3/0/6/130639116/4f8111acb3ab9.pdf
    • http://mobilosophy.com/uploads/1/3/0/7/130776804/gumawu.pdf
    • http://7cstravel.voyagerwebsites.com/uploads/1/3/0/6/130621290/130621290.html#how+to+test+a+ac+capacitor+with+a+multimeter

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005789.bin
6c162b3510b2fbc5078462e4de763dd8d85d5cd2b8670833a89d19a4d5863da2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5789 7872 bytes

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