Malicious PDF — malware analysis report

Static analysis result for SHA-256 560f45f6d6a457dc…

MALICIOUS

PDF

38.7 KB Created: 2020-05-16 03:00:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1559dd2541710bd75152aa7bdee17365 SHA-1: 2f27b1fce63700e0ad82e41458bc0e34f7953de7 SHA-256: 560f45f6d6a457dca0f884a2f566db1baaedfc305e767c478d061b0e5ee6630e
96 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique often used for SEO spam or to redirect users to malicious sites. The ML classifier strongly indicated maliciousness. No scripts were extracted, but the sheer volume of outbound links suggests a coordinated effort to drive traffic to potentially compromised or malicious domains.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://entrepreneurssuccessformula.com/uploads/1/3/1/4/131483184/131483184.html#compass+learning+answers+english+1
    • http://lacedbykase.com/uploads/1/3/0/8/130874670/gafader.pdf
    • http://acirillok-1technology.com/uploads/1/3/1/3/131384289/jexekuponeme_juvidarapovuve.pdf
    • http://miguelvazquezsculpture.com/uploads/1/3/0/5/130589174/2a07c096.pdf
    • http://shaneforpeoriacounty.com/uploads/1/3/0/3/130323141/wolalexefet_nobaduvaraposu_gawune_tatarekok.pdf
    • http://stevie-borne.com/uploads/1/3/0/6/130639810/d668632f6834d84.pdf
    • http://cmajor7music.com/uploads/1/3/0/6/130621533/budupabikuluxixi.pdf
    • http://baileyaustinfilm.com/uploads/1/3/0/2/130271072/6783691.pdf
    • http://acmereclaim.com/uploads/1/3/1/8/131871767/42002.pdf
    • http://integratedwoundhealing.net/uploads/1/3/0/6/130604056/a184c0385bf07.pdf
    • http://lifecaredirections.com/uploads/1/3/0/6/130620544/likudagodekosom.pdf
    • http://talksaveslives.com/uploads/1/3/1/4/131438007/dosaxovupuwamomijole.pdf
    • http://ryanmecheski.com/uploads/1/3/0/5/130542934/33a848d123.pdf
    • http://philippszydlowski.com/uploads/1/3/1/4/131410434/6097315.pdf
    • http://findingjoyineveryday.org/uploads/1/3/0/6/130620556/pidumil_jifarenawi_vubit_gusisugur.pdf
    • http://oppacostarica.com/uploads/1/3/0/4/130476066/f60f7c96bf3.pdf
    • http://perfectmomentsent.com/uploads/1/3/1/3/131378837/9082558.pdf
    • http://fundpaas.com/uploads/1/3/0/7/130776322/pakogigekurana-bofasolaxur.pdf
    • http://brandyspearlsandmore.com/uploads/1/3/0/9/130969330/wurato_fomova.pdf
    • http://robertvjohnson.us/uploads/1/3/1/4/131409090/5263563.pdf
    • http://pennergeological.com/uploads/1/3/0/7/130739192/bodejumedux.pdf
    • http://enkidimata.com/uploads/1/3/0/4/130476573/8651811.pdf
    • http://epscd.net/uploads/1/3/0/6/130620836/kadiruve.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000683d.bin
697648b12eb3d1303c544b854b277b497028abca124b64b5da9602af137d1470		 pdf-font-stream PDF embedded font (sfnt) at offset 0x683D 11308 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.