Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb24560c3f33ba1a…

MALICIOUS

PDF

36.9 KB Authoring application: Scribus
MD5: aa8bc42421fed5125698be97dd6c34f1 SHA-1: a3770b401d58e5b6ebc691096f1338cf6b141e8a SHA-256: fb24560c3f33ba1a1c161f9227fdf7d4aa92de1a140de98406aa1eba1c40c305
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a PDF_SEO_LINK_FARM heuristic. This suggests a phishing or SEO manipulation campaign. The ML classifier and ClamAV detection strongly support its malicious nature. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://mobileinstallationgroup.com/uploads/1/3/0/5/130545666/vugif_molaxoxipidu_batoxipi_towiwaxeb.pdf
    • http://meridianspire.com/uploads/1/3/0/5/130588407/rapegiretago.pdf
    • http://weblacarte.com/uploads/1/3/0/5/130589133/nunojabokazudem-lelojoze-koxomiwuzuwov.pdf
    • http://shrewsburycondo.com/uploads/1/3/0/7/130740051/jukirodovupipo_piren_setaxuviga.pdf
    • http://laement.com/uploads/1/3/0/6/130639495/3638947.pdf
    • http://bambusaglobal.com/uploads/1/3/0/6/130604428/duxubis-niliwafi-mopanigo-bitadolawasare.pdf
    • http://dianneloftus.com/uploads/1/3/0/6/130603929/0c83f0b.pdf
    • http://minimalnaprawda.net/uploads/1/3/0/5/130542780/8463146.pdf
    • http://retreatsinjapan.com/uploads/1/3/0/6/130620563/popujafunaf-renawisor-gojibafinigeku.pdf
    • http://ingeniouspictures.com/uploads/1/3/0/3/130379482/parunudepizo_zopatidibirapug.pdf
    • http://demenagementcentury21.com/uploads/1/3/0/4/130476921/7816938.pdf
    • http://aerohive.tech/uploads/1/3/0/6/130621882/dawegobo_vobof_semutad_lebofelevibivap.pdf
    • http://dollfiefamous.com/uploads/1/3/0/7/130776712/771e69e887e2c.pdf
    • http://brideable.com/uploads/1/3/0/7/130738499/duwoxanipoxu.pdf
    • http://aquariumsalesandservice.com/uploads/1/3/0/5/130590092/bakepoge.pdf
    • http://crownemarketgroup.com/uploads/1/3/0/4/130488308/442739.pdf
    • http://thatclassiccarshow.com/uploads/1/3/0/5/130589125/belojufomanufe-tetokamefekix-kamugiwoliboxop.pdf
    • http://borders.space/uploads/1/3/0/3/130379485/tumijinitefadixova.pdf
    • http://visitoz.org/uploads/1/3/0/7/130775429/mozotimozabilob-liriluxira.pdf
    • http://nopausegaming.com/uploads/1/3/0/8/130814192/disokafuzabubiv_dikaziregug_xoxebune.pdf
    • http://dataprotectionadvice.com/uploads/1/3/0/7/130740547/7516425.pdf
    • http://raystreetphotography.com/uploads/1/3/0/6/130605501/8053821.pdf
    • http://mynutritioninnovation.com/uploads/1/3/0/3/130313359/130313359.html#adjectival+and+adverbial+prepositional+phrases
    • http://demenagementcentury21.com/uploads/1/3/0/4/130476921/7

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f71.bin
e672e033201238c16ddb61f7dc7f498d106d67aa74c24138dc82fa3f237eddec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F71 7392 bytes

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