Malicious PDF — malware analysis report

Static analysis result for SHA-256 d404214e486aea48…

MALICIOUS

PDF

45.5 KB Authoring application: GIMP
MD5: 1c3ee8a5ba5bc16113a0a1752d79f7c7 SHA-1: 456506aeb97362ad7a4ebba1a06fdfb5cd5e8e00 SHA-256: d404214e486aea48cd409e3e91bce88033d698bc853a627ede9cc12b327e09c4
150 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. It contains a large number of embedded external links, with the first being http://www.simixacceramiccoating.com/uploads/1/3/0/6/130621856/gawipa_jizozotulobeme_kuzuzixeg.pdf. The document body appears to be corrupted or heavily obfuscated, preventing a clear understanding of its specific lure, but the link farm suggests a phishing or SEO-based attack. No scripts were extracted from this sample.

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://www.simixacceramiccoating.com/uploads/1/3/0/6/130621856/gawipa_jizozotulobeme_kuzuzixeg.pdf
    • http://www.business-debtcollection.com/uploads/1/3/0/4/130488885/53c06c78fdec2.pdf
    • http://www.americasmusiccompany.net/uploads/1/3/0/7/130739655/248ea60f7.pdf
    • http://seniorsalliance.org/uploads/1/3/0/3/130323616/9340597.pdf
    • http://www.ag47silverjewelry.com/uploads/1/3/0/8/130874211/5418910.pdf
    • http://athenaasiapacific.com/uploads/1/3/0/7/130739528/e540d1.pdf
    • http://sexpressyourself.com/uploads/1/3/0/7/130775529/3472898.pdf
    • http://vogeloverlast.nl/uploads/1/3/0/7/130776754/nipasajaweg_wumivakisiwe_xamosazudeguzi_parulimalo.pdf
    • http://delilahs-revenge.com/uploads/1/3/0/7/130776805/4883604.pdf
    • http://rfjobstoday.com/uploads/1/3/0/5/130589315/3604132d8aeb1.pdf
    • http://meilinxinghuangyulecheng.br3h.com/uploads/1/3/0/7/130739655/kururizidofima-tuxoti-wawadi-mizuj.pdf
    • http://duduslimmer.com/uploads/1/3/0/7/130774965/zininuzorodo-pejuw-gixul-wijoxobime.pdf
    • http://mta-sts.mail.wintercutlery.com/uploads/1/3/0/7/130776539/7265192.pdf
    • http://glgranados.com/uploads/1/3/0/3/130323417/waxumo_daxefab_kizun_tegasel.pdf
    • http://organizaej.com/uploads/1/3/0/5/130550955/lavazozuxano.pdf
    • http://sta-66-99-58-218.ladse.org/uploads/1/3/0/7/130775229/bazovodeka_xuxan.pdf
    • http://countyturfpro.com/uploads/1/3/0/7/130775156/tisik-tijikulutezox-fixidoxazifuwu-sevusunij.pdf
    • http://mealofthemonthclub.com/uploads/1/3/0/6/130620327/5518198.pdf
    • http://homeshieldinspectionsnc.com/uploads/1/3/0/6/130621143/227401fb7.pdf
    • http://donegalny-org.uicany.org/uploads/1/3/0/6/130603860/9061131.pdf
    • http://microweddingsnyc.com/uploads/1/3/0/4/130488732/digumepitezamez.pdf
    • http://owngov.net/uploads/1/3/0/2/130273798/mirupofex-rimakorejupet-bugapawo.pdf
    • http://davisrhodes.com/uploads/1/3/0/7/130740368/9474749.pdf
    • http://spectrumsignscalifornia.com/uploads/1/3/0/2/130273899/9664361.pdf
    • http://hrmarketingpartners.com/uploads/1/3/0/3/130379291/130379291.html#best+educational+apps+for+1-2+year+olds
    • http://delilahs-revenge.com/uploads/1/3/0/7/130776805/488

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d4f.bin
a4bbe65013ca1fd4025e12c914632284351e59768aa7cb8889215f9bf3a79ecb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D4F 8280 bytes

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