Malicious PDF — malware analysis report

Static analysis result for SHA-256 56d5984a25f04d81…

MALICIOUS

PDF

38.4 KB Authoring application: Poppler-utils
MD5: 6b8d02d5527f3b666c4f8f2e304feeae SHA-1: 852a4132b635314b9786a14fb3995b6a7c57d73d SHA-256: 56d5984a25f04d81fb0aa009cafd280b96c0011a3f7355bab17afd3ec1521d69
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents. This technique is commonly used to distribute phishing content or redirect users to malicious websites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted from this sample.

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://valekor.ru/uploads/2020/01/28/3223525.pdf
    • http://clogging101.com/uploads/1/3/0/5/130590164/pobatogisasovab.pdf
    • http://bringontheagame.com/uploads/1/3/0/6/130639767/35e7f16c70c1e04.pdf
    • http://shoplaalee.com/uploads/1/3/0/4/130490155/joxami.pdf
    • https://gisunixag.weebly.com/uploads/1/3/0/5/130551728/mewozapimodoposabi.pdf
    • http://bearvalleymensministry.com/uploads/1/3/0/5/130539465/satow-tuzapix.pdf
    • http://planningprotocol2.com/uploads/1/3/0/6/130621426/tojugonavemuvi.pdf
    • http://povo.audiostart31.icu/uploads/2020/01/28/mufaguke_galidigolural_kanunatamunuj.pdf
    • http://xefeteni.swift-design.ru/uploads/2020/01/27/dilibimazad.pdf
    • http://tawo.pp-offer.icu/uploads/2020/01/29/2001124.pdf
    • http://mobile-massage-sydney.com/uploads/1/3/0/3/130323914/206f09a6acb4c.pdf
    • http://nathanael-cook.com/uploads/1/3/0/6/130620808/feb87f9b.pdf
    • http://neighborsbuildingbrightmoor.weebly.com/uploads/1/3/0/6/130604948/newiren.pdf
    • http://neflopioidepidemic.com/uploads/1/3/0/6/130620207/jajojanugumamuteg.pdf
    • http://sibek.womens-news.ru/uploads/2020/01/27/860395.pdf
    • http://caitlinmorrison.com/uploads/1/3/0/2/130272364/ad7104.pdf
    • http://learnabundance.com/uploads/1/3/0/6/130621789/13abd47.pdf
    • http://nanaglensolarfarm.com.au/uploads/1/3/0/6/130604254/walefilidewafig.pdf
    • http://amredco.com/uploads/1/3/0/2/130289393/ab347c19896a.pdf
    • https://fagukigejadiju.weebly.com/uploads/1/3/0/3/130313056/690441.pdf
    • http://wordofthecrossministries.com/uploads/1/3/0/6/130605080/0103b.pdf
    • http://youarenotaloneproject.com/uploads/1/3/0/5/130589121/gosababegup.pdf
    • http://meredithbirrell.com/uploads/1/3/0/5/130588564/130588564.html#warsaw+pact+formed

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000161e.bin
14f9cf60dcd23bc91e5a963adc71a2c18014d0fe80bbef7c790299dbc69b847e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x161E 7792 bytes

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