Malicious PDF — malware analysis report

Static analysis result for SHA-256 b58da400b31dee87…

MALICIOUS

PDF

37.1 KB Authoring application: pstoedit
MD5: 3f92100df272fc003b2993a57c9e3c9f SHA-1: 9482b109192d12ed23c85886c0d6274035fcfe05 SHA-256: b58da400b31dee8706ebc37e0017b8c9538912a670aea4e5bbb8685caaebf337
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 external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or a phishing campaign. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports the malicious intent. The document body contains fragmented text related to accounting principles, which appears to be a lure to disguise the malicious nature of the file.

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://mihiomanus.com/uploads/1/3/0/5/130543568/kivejiwixaruledujap.pdf
    • http://formerfdainspectors.com/uploads/1/3/0/6/130639590/kedaxixefusezugatozo.pdf
    • http://lumlatist.com/uploads/1/3/0/6/130605016/d5e64cea9b39.pdf
    • http://writingtakescourage.com/uploads/1/3/0/2/130289509/vizasab-suguvikex-difosifikodo-nifitavakap.pdf
    • http://chynnaalexandraphotography.com/uploads/1/3/0/2/130271232/mexadaj.pdf
    • http://mindfulnesshoy.com/uploads/1/3/0/2/130287992/d42ada7886fcb.pdf
    • http://dirtydevillemusic.com/uploads/1/3/0/5/130550825/genokeku-loxopenubur.pdf
    • http://innovalprocess.net/uploads/1/3/0/5/130550912/c895d.pdf
    • http://rebylez.store/uploads/1/3/0/7/130775677/4304295.pdf
    • http://christianrmcdaniel.com/uploads/1/3/0/4/130488270/9eb895.pdf
    • http://www.demusproductions.org/uploads/1/3/0/6/130639363/nudepakeba.pdf
    • http://www.saveyourlocalseafood.com/uploads/1/3/0/7/130739618/ginagataped-mubovameter.pdf
    • http://74-123-75-184.mgwnet.com/uploads/1/3/0/8/130874012/lijoroxesajopuxi.pdf
    • http://rawk-cbd.online/uploads/1/3/0/5/130589339/3040077.pdf
    • http://nikaspaus.com/uploads/1/3/0/6/130621264/37d38c94c.pdf
    • http://5dsottozero.com/uploads/1/3/0/7/130775992/1082863.pdf
    • http://northbayjudoclub.com/uploads/1/3/0/6/130639590/41e9629d499.pdf
    • http://marythemidwife.net/uploads/1/3/0/7/130738548/zufarazi.pdf
    • http://archidemus.com/uploads/1/3/0/2/130272580/8938896.pdf
    • http://www.hankshandcraftedsalsa.com/uploads/1/3/0/8/130873893/aee75.pdf
    • http://flagcheckered.com/uploads/1/3/0/4/130435710/miset_butumefelizagi.pdf
    • http://whisperingsheepholdings.com/uploads/1/3/0/4/130435652/vutomu_xosezopuw_vukuza_wasesidoxop.pdf
    • http://youthbuildillinois.org/uploads/1/3/0/5/130546076/f32582a81b9c7.pdf
    • http://rebeccalaplacaattia.com/uploads/1/3/0/6/130621481/130621481.html#accrual+principle+in+simple+words
    • http://www.saveyourlocalseafood.com/uploads/1/3/0/7/130739618/ginagataped-mubovamete

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e06.bin
c40e6bcc33a1db26491d09447b3e20b7910091fda96cd773c867b79c142d696f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E06 8012 bytes

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