Malicious PDF — malware analysis report

Static analysis result for SHA-256 45df6aa7da95fe5c…

MALICIOUS

PDF

45.9 KB Authoring application: Inkscape
MD5: 13205c5a733956506905305b19b851e9 SHA-1: 9921f48f0d68f2bd688961077571fd2514b01432 SHA-256: 45df6aa7da95fe5c6fcbb05a9b7742e8dfe5bd1e3d5b1570aee6cba7a03ac466
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. This indicates a likely phishing or SEO poisoning campaign designed to redirect users to malicious content. The ML_NYX_PDF_MALICIOUS and ClamAV detections further support the malicious nature of this file. No scripts were extracted from this sample.

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://sethnjill.com/uploads/1/3/0/4/130489564/80d28bb.pdf
    • http://edcollaborations.org/uploads/1/3/0/7/130738616/bitumizige_xapepij.pdf
    • http://www.prolystings.com/uploads/1/3/0/4/130483086/pagubeza_rafetexuxodupa_busatuburemagif.pdf
    • http://www.ernestposeycaricatures.com/uploads/1/3/0/5/130588740/wawaruwizovedofex.pdf
    • http://bodycentralassignee.com/uploads/1/3/0/7/130775685/lojirile_mizaxoxekokejad_kireman_zuletagudokoxam.pdf
    • http://pciprimer.com/uploads/1/3/0/6/130639511/sawagibani_gijuval_jofixalaxu_vidavugow.pdf
    • http://blackouttrading.com/uploads/1/3/0/4/130477110/zuvibubebazo.pdf
    • http://tsencheng.com/uploads/1/3/0/8/130813757/4819767.pdf
    • http://nashbw.info/uploads/1/3/0/4/130488914/fofuz.pdf
    • http://dailybryson.com/uploads/1/3/0/5/130588531/gegifiwapeditisem.pdf
    • http://altitudefitnessservice.com/uploads/1/3/0/5/130539229/sujabuwukibowuren.pdf
    • http://noworknobeer.com/uploads/1/3/0/3/130323092/bisogexarasapef_pizisaj_masoterut_vugilibutarejo.pdf
    • http://allamericanoverheaddoors.com/uploads/1/3/0/3/130323445/bazujapimox.pdf
    • http://mykbzkitchen.com/uploads/1/3/0/7/130739398/nakama.pdf
    • http://taylorbrachbill.com/uploads/1/3/0/5/130588403/jeporupifom_xotivo_goderonaro_kefibitag.pdf
    • http://alejandroariza.info/uploads/1/3/0/8/130815140/tobogena-gurulusubat-barimabexike-dozowure.pdf
    • http://nadinesteklenski.com/uploads/1/3/0/3/130379514/sugomifevebapure.pdf
    • http://adairwatkins.com/uploads/1/3/0/4/130477351/2433103.pdf
    • http://whirlwindlabs.co/uploads/1/3/0/4/130435597/suwegebumirel-tezopuwu-lomewoxuma.pdf
    • http://lukeharper.com/uploads/1/3/0/6/130603798/wamutezi-sosozomatuwizel-kakuzako-volubep.pdf
    • http://ucdemr.com/uploads/1/3/0/3/130379371/1dcef.pdf
    • http://9lggiv.bdgct.com/uploads/1/3/0/2/130272496/130272496.html#icd+10+code+for+sjogren%27s+unspecified

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000344f.bin
d5a8c0333c6b33d71ce7f5b7ee857fd82ba21ae03b5bf74a8ca3796efccdbd20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x344F 16988 bytes
font_01_sfnt_off00004f80.bin
0bf2d2b85e470ed4018de44fa2c859d7014bfd843b63758b85423608cfdba91c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F80 9060 bytes

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