Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f32c16df461393e…

MALICIOUS

PDF

49.8 KB Authoring application: Pdftk First seen: 2020-09-24
MD5: df5684498110da0f50c5983ee09eabfd SHA-1: 68684af0361fc8ecc070ffd1c834fa438fc2ce02 SHA-256: 7f32c16df461393e960bea7ea7aa65511dd4439fdf92d8b3eb4121b53a97d55c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs pointing to other PDF documents, a technique often used for SEO manipulation or to distribute malicious payloads. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a phishing or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://montevistacalvarybaptist.org/uploads/1/3/0/2/130272636/fezagadejoz.pdf In PDF document text
    • http://kibasu.zphoto.pro/uploads/2020/01/28/8570156.pdfIn PDF document text
    • https://jozikufu.weebly.com/uploads/1/3/0/3/130379465/vopuwika.pdfIn PDF document text
    • http://befullerthanlife.com/uploads/1/3/0/5/130588263/jekabitufudusus.pdfIn PDF document text
    • http://update-accounts.net/uploads/2020/01/28/gubebobodaxukereri.pdfIn PDF document text
    • http://natixokapu.hayatimbirfilm.com/uploads/2020/01/28/33d537.pdfIn PDF document text
    • http://kedenozi.vipiska-egrn-besplatno.icu/uploads/2020/01/27/tawifige_nulutojutapuzum.pdfIn PDF document text
    • http://makeitworkwellness.com/uploads/1/3/0/5/130590139/vajesip.pdfIn PDF document text
    • http://isatour.pt/uploads/1/3/0/6/130604207/sasagibuwajotuxizus.pdfIn PDF document text
    • https://logazitutepum.weebly.com/uploads/1/3/0/4/130435659/jetupara_sukobuvesi.pdfIn PDF document text
    • http://kagez.visitbilyarsk.ru/uploads/2020/01/28/xojimodev-robavuxikukumef.pdfIn PDF document text
    • https://selatefob.weebly.com/uploads/1/3/0/2/130291441/laxakuwozavimevumil.pdfIn PDF document text
    • https://nugojorazum.weebly.com/uploads/1/3/0/5/130551192/4948896.pdfIn PDF document text
    • http://kat.missellieganza.com/uploads/2020/01/29/daraz-rubisevudibon.pdfIn PDF document text
    • https://dokolowobepofen.weebly.com/uploads/1/3/0/5/130543364/zawexujede.pdfIn PDF document text
    • http://malal.ksptambov.ru/uploads/2020/01/28/5a4c3.pdfIn PDF document text
    • http://assetskill.com/uploads/1/3/0/5/130539287/2216031.pdfIn PDF document text
    • http://andrewmalcolmphotography.com/uploads/1/3/0/4/130483626/8732210.pdfIn PDF document text
    • http://danfodiolaw.com/uploads/1/3/0/6/130604710/8597558.pdfIn PDF document text
    • http://cardesign.su/uploads/2020/01/28/2b3868043053aa.pdfIn PDF document text
    • http://wilizen.tamadanataly.ru/uploads/2020/01/27/8251319.pdfIn PDF document text
    • http://gapoferiz.serviicosbr.com/uploads/2020/01/28/ea3521b.pdfIn PDF document text
    • http://evokefitness.net/uploads/1/3/0/5/130551714/130551714.html#siri+shortcuts+ios+13In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
🗂 Part of campaign: 360kirk.com 15 samples

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000167b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x167B 8092 bytes
SHA-256: 5f5420758f8a8737b3643ffed7518b09f7db6679f8cfa749e3ce4b4805653325
font_01_sfnt_off000074f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74F9 18100 bytes
SHA-256: 0a19d3ec01c2bd5f2da2e654894ff9caac3df97291af1acb5ff150be3e6b34cf

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