Malicious PDF — malware analysis report

Static analysis result for SHA-256 a67ed43984bf39f9…

MALICIOUS

PDF

39.9 KB Authoring application: GIMP
MD5: f202b12f59c025994f469169c8e09b15 SHA-1: c069a0c073a416973ee41837e0c3b9c993efea7f SHA-256: a67ed43984bf39f90f7b88a16c1c7f7ef49161669835f85de2d2befd895583d4
150 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Phishing.TtraffRobotInstall and a machine learning classifier indicated a high probability of maliciousness. The critical heuristic PDF_SEO_LINK_FARM indicates the document contains a large number of external links to other PDF files hosted on various domains. The document body contains text related to GPS navigation apps and includes many of these external URLs, suggesting a lure to a link farm for SEO manipulation or further distribution.

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://salgadosgourmet.net/uploads/1/3/0/2/130289233/fejufevuta.pdf
    • https://laxopovez.weebly.com/uploads/1/3/0/6/130604405/7480306.pdf
    • http://myoregonterritory.net/uploads/1/3/0/5/130543318/8184814.pdf
    • http://nobuhotelmarbella.devsite-1.com/uploads/1/3/0/4/130476605/xudonajoxatoxevisiw.pdf
    • https://kozezozef.weebly.com/uploads/1/3/0/5/130539102/zimususi.pdf
    • http://warmanddryuk.com/uploads/1/3/0/3/130323493/vamufix_pojunelexiwiv.pdf
    • http://calcorpinc.com/uploads/1/3/0/6/130620317/c1f000e9af50c54.pdf
    • http://evroplast92.ru/uploads/2020/01/28/gamivolemeg_dokoxib.pdf
    • http://mytayloralexander.com/uploads/1/3/0/6/130603948/27585c03318540c.pdf
    • http://oakdalepoolservice.com/uploads/1/3/0/6/130640110/dirutofifen.pdf
    • http://doctorfieser.com/uploads/1/3/0/5/130541308/redavab.pdf
    • http://nebebeb.gentlyhug.com/uploads/2020/01/28/6cd4e93d0de.pdf
    • http://wuedu.co/uploads/1/3/0/6/130604441/3962561.pdf
    • http://zionlutheranclark.com/uploads/1/3/0/6/130605278/wujumedilemer.pdf
    • http://quotes180.com/uploads/1/3/0/2/130272377/venutupu_kefavaf.pdf
    • http://wogoxomuja.labdo.net/uploads/2020/01/29/jizorinunam.pdf
    • http://mrmanoharan.com/uploads/1/3/0/5/130547150/5564938.pdf
    • http://realedchat.com/uploads/1/3/0/6/130604525/bewoz_revujusolatog.pdf
    • http://bicepsandbananas.com/uploads/1/3/0/2/130289703/sisogafev_sefebur_bakoposopuzo_besuxo.pdf
    • http://zafofekapi.el1t.ru/uploads/2020/01/29/18c9341e.pdf
    • http://soloporque.org/uploads/1/3/0/5/130544063/kadobup_xorifofeguzawez_maxevilaw_fisilisokusu.pdf
    • http://sunkisseddaisyllc.com/uploads/1/3/0/6/130639444/kuxudinenig_javexotodem_fepafumerubib_xagozufaromer.pdf
    • http://sqonecondos.com/uploads/1/3/0/2/130289592/130289592.html#gps+navigation+app+android+kostenlos

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001700.bin
0cc876f4f2acdbcb335fe1ceca88d976d6e91d30bd1c46d03a455c777c4cb927		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1700 8548 bytes

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