Malicious PDF — malware analysis report

Static analysis result for SHA-256 62bc302a4d1ef952…

MALICIOUS

PDF

42.2 KB Created: 2020-04-02 18:05:05 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: e4e3f39824eb661d112eba7a4b2bfafa SHA-1: 2007616ca503008fd1107cf634bb7b97eb1f9437 SHA-256: 62bc302a4d1ef9523521877667109b9adc0763ac5a9e97176e5348205dfe9244
96 Risk Score

Malware Insights

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

This PDF document contains numerous external links, a technique often used for SEO spam or to redirect users to malicious sites. The document body, though partially corrupted, suggests a lure related to a 'Nissan micra owner manual'. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs points towards an attempt to drive traffic to potentially harmful content.

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://tuxedocatcommunications.com/uploads/1/3/1/4/131453934/131453934.html#nissan+micra+owner+manual
    • http://intowishinarts.net/uploads/1/3/1/4/131454526/nagefuti-pedewuda.pdf
    • http://zazilcakes.com/uploads/1/3/0/3/130379138/turujabuz_fajazegobigeda.pdf
    • http://008llc.com/uploads/1/3/1/3/131381781/ragodosawokusena.pdf
    • http://davisbrothersinc.net/uploads/1/3/0/4/130483766/wigowaxolexitep_bakuzozujasikax_sagizawelagamo.pdf
    • http://geyserkayakphotos.com/uploads/1/3/1/3/131379594/fajaru.pdf
    • http://rocknreelcc.com/uploads/1/3/1/4/131410158/8992697.pdf
    • http://studiopapillons.com/uploads/1/3/0/7/130775810/zafubodaxulijivug.pdf
    • http://msharrisfirstgrade.com/uploads/1/3/0/6/130604397/xasekunisivigo.pdf
    • http://welcometothehub.co/uploads/1/3/1/0/131070207/9163638.pdf
    • http://lexingtoncoffeeco.com/uploads/1/3/1/1/131164093/2673720.pdf
    • http://jrnewsphotography.com/uploads/1/3/0/2/130291585/8c221d0cb2f.pdf
    • http://encyclobeerdia.com/uploads/1/3/0/6/130603850/pakijonot.pdf
    • http://developinghealthycommunities.org/uploads/1/3/0/3/130323209/65ec5711e2571e.pdf
    • http://massimocapra.net/uploads/1/3/0/8/130813722/fixufalofiluzirubuse.pdf
    • http://unstatusquo.com/uploads/1/3/0/6/130604202/8dc9a.pdf
    • http://flawedsounds.com/uploads/1/3/0/7/130738943/legiw-xipixepogowux-gilize.pdf
    • http://coachkimhalsey.com/uploads/1/3/0/4/130483581/6573012.pdf
    • http://primalpanicsolutions.com/uploads/1/3/0/7/130775241/digafasu-mopipegare-tijonaminifomi-sivugixa.pdf
    • http://yourfavoritepantry.com/uploads/1/3/0/2/130287942/xebudududibajo-pegoperefe.pdf
    • http://southbelizeplatinum.com/uploads/1/3/0/6/130621464/6460566.pdf
    • http://janelmorrison.ca/uploads/1/3/0/4/130488198/gizeke.pdf
    • http://comicjunky.net/uploads/1/3/0/5/130590117/fepixonojuta.pdf
    • http://dirtyandtired.com/uploads/1/3/1/1/131163787/sazovanajudubi.pdf
    • http://quintazoe.com/uploads/1/3/0/5/130540477/1388864.pdf
    • http://dressscore.com/uploads/1/3/0/6/130604111/33179.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_off00007dcd.bin
99c6a91eaabbc3a8b30497314a7dc1057588e534ccc7120c76234c1effb67d9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DCD 7488 bytes

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