Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecc9e65525188650…

MALICIOUS

PDF

59.5 KB Authoring application: Soda PDF
MD5: df258913b59cf39192da5c6b855d846f SHA-1: 7173b78d7d350a5c30fea97d68bc3f1b6d300d8f SHA-256: ecc9e65525188650abc2bcffc1a9a98f0dac701a1932fbcfb0e1a16c7d74b78d
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

This PDF document functions as a link farm, directing users to numerous external PDF files hosted on various domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, suggesting a phishing or malware distribution scheme. The embedded URLs are likely part of this distribution network, aiming to trick users into downloading further malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://iohannespontes.com/uploads/1/3/0/6/130620833/wexipijobot.pdf
    • http://artsequences.com/uploads/1/3/0/2/130289227/kukawufefomaxotuji.pdf
    • http://thejanfund.com/uploads/1/3/0/5/130588191/876178.pdf
    • http://naema.ca/uploads/1/3/0/7/130775334/todiguse-zofef.pdf
    • http://hitchly.com/uploads/1/3/0/7/130739835/4265c1eca5.pdf
    • http://nicholasleiby.com/uploads/1/3/0/2/130271095/kajusurelaz-xolixogikari.pdf
    • http://m.transformationlifecoaching.net/uploads/1/3/0/6/130604458/lafilisemejilef.pdf
    • http://aledger.net/uploads/1/3/0/5/130590596/0ecf94a0.pdf
    • http://ndsportschannel.com/uploads/1/3/0/7/130738913/596877.pdf
    • http://bostontangofestival.org/uploads/1/3/0/5/130588920/d7798.pdf
    • http://madisonbaker.net/uploads/1/3/0/3/130379307/5848207.pdf
    • http://jamesradack.net/uploads/1/3/0/6/130603919/mulavup.pdf
    • http://lopolis.net/uploads/1/3/0/8/130813403/daf33b21bfc9.pdf
    • http://allfeds.info/uploads/1/3/0/6/130639087/sogubuvopafelod.pdf
    • http://coolspamd.com/uploads/1/3/0/5/130551907/4964592.pdf
    • http://myruffledskirts.com/uploads/1/3/0/8/130813136/9852369.pdf
    • http://microsoft-office-365.online/uploads/1/3/0/6/130604193/538365.pdf
    • http://millennialconfessional.com/uploads/1/3/0/4/130489350/kowozenetapureloba.pdf
    • http://misssupremepurityqueen.com/uploads/1/3/0/2/130272328/130272328.html#which+of+abraham+maslow%27s+hierarchy+of+needs+is+satisfied+by+a+living+wage

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000014e8.bin
ac48a3b08292fbecaf6e9de62ebbc78f261712da12f8498b74a6a4797ff92afd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14E8 8696 bytes

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