Malicious PDF — malware analysis report

Static analysis result for SHA-256 65056530787141d6…

MALICIOUS

PDF

39.6 KB Created: 2020-04-03 12:52:46 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 1dab5d86ca201f5b199fa278d346852b SHA-1: 2170d6a97c60ba60f8436d09d14b136eea33ecb9 SHA-256: 65056530787141d6f5091d7aacc00863293ddf822f5ad010740b0ef345dd1f0c
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document exhibits characteristics of a link farm, embedding numerous external URLs that likely lead to malicious content or further infection vectors. The ML classifier strongly indicated maliciousness, and the PDF structure contains a high density of external links, suggesting an attempt to distribute malware or phish users. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://islamophoria.com/uploads/1/3/0/6/130605312/130605312.html#dell+e6430+pci+simple+communications+controller+driver+windows+7
    • http://ashershealth.com/uploads/1/3/0/5/130540799/gowideredejumed-pataduvus-rigewu-refezedato.pdf
    • http://svluckofafool.com/uploads/1/3/0/7/130738762/gugagulejene-xirisezufevo-mikofi-lajes.pdf
    • http://cturology.com/uploads/1/3/0/7/130740165/dafogus-menakoza-sitezi-kifejorawuto.pdf
    • http://supportrealheroes.com/uploads/1/3/0/9/130969214/witijovudotug.pdf
    • http://jaimielindsay.com/uploads/1/3/0/4/130435987/7365337.pdf
    • http://poirierpi.com/uploads/1/3/0/5/130539652/bizikozowapikujopo.pdf
    • http://trackingeasy.org/uploads/1/3/0/6/130639966/lalab_rodimamifutu_bomozidi.pdf
    • http://kiodykratom.com/uploads/1/3/0/4/130477839/2783648.pdf
    • http://iglesiahispanadebradford.com/uploads/1/3/0/5/130590503/pusareto.pdf
    • http://exxonfr.com/uploads/1/3/1/0/131070178/jufiwolinedizojikat.pdf
    • http://ujcdsgn.com/uploads/1/3/0/4/130436289/sazipisavo.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_off00006f27.bin
e63fedd85dec0b0cc412abec6857b3a8c6717a22699cd9e26e942c47c1ca8c91		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F27 8808 bytes

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