Malicious PDF — malware analysis report

Static analysis result for SHA-256 535e66820873685c…

MALICIOUS

PDF

53.0 KB Authoring application: Serif PagePlus
MD5: 81bcc5c97fdca7697d69e95c530fadd0 SHA-1: d498552c9d7618f9ecde8ede8df9f7d25018f31c SHA-256: 535e66820873685c80b75c347792771f1d9ebd3a75893eac6689d9b36eb1f524
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 documents hosted on various domains. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious payloads. The ClamAV detection further supports the malicious nature of this file. No scripts were extracted, 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://morrisplantnursery.com/uploads/1/3/0/3/130379711/zefexurixubev.pdf
    • http://www.angrypenguinapps.com/uploads/1/3/0/4/130488345/3824617.pdf
    • http://marison.com/uploads/1/3/0/8/130813448/2428675.pdf
    • http://kauffmancenterstore.net/uploads/1/3/0/6/130621279/fatuligonu.pdf
    • http://mtrageserllc.com/uploads/1/3/0/6/130604508/xazama_karufakasewido_vafopigizosir_fowelum.pdf
    • http://www.microchipautoglass.com/uploads/1/3/0/4/130483631/e6e941ede720a.pdf
    • http://fynesilver.com/uploads/1/3/0/2/130291592/2385230.pdf
    • http://collegestationtowing.com/uploads/1/3/0/7/130776420/5515570.pdf
    • http://anchorstoragelc.com/uploads/1/3/0/4/130477584/8598577.pdf
    • http://roofingpasorobles.com/uploads/1/3/0/7/130775295/remupawelaku_jubejujoz_vazil.pdf
    • http://gracetrimble.info/uploads/1/3/0/4/130483684/6418539.pdf
    • http://hypo2testing.com/uploads/1/3/0/4/130478935/vibonironixusoresu.pdf
    • http://edenwoodranchandpreserve.com/uploads/1/3/0/6/130639310/gedasinitugevex.pdf
    • http://mexonthemenu.com/uploads/1/3/0/5/130546717/6066238.pdf
    • http://hostmaster.stmildreds.org.uk/uploads/1/3/0/5/130588989/zawusaf.pdf
    • http://universallanguage.studio/uploads/1/3/0/5/130543141/dafofezagoziko_kuzegad_nolijogi.pdf
    • http://www.bakeitsg.com/uploads/1/3/0/6/130621973/jonabuxujazof.pdf
    • http://bluemountainboutique.shop/uploads/1/3/0/4/130483205/sumerex_danirebamugegu.pdf
    • http://speechanddebatecamps.com/uploads/1/3/0/2/130288430/vafixeputanuxu.pdf
    • http://hepburnhideaway.com/uploads/1/3/0/2/130272513/130272513.html#international+accounting+standard+number+29

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001279.bin
b644feaad8e7bfa826946982d3b44ad8e19ea811d910aee74d2fd5dc0c0273a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1279 8552 bytes

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