Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2003b3e021305e7…

MALICIOUS

PDF

35.1 KB Created: 2020-03-28 09:07:14 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2020-09-04
MD5: 474076ee4b2c97c8e661f8eca2ed3c06 SHA-1: 05443aab6d8b09cb6d0e2be81c560630f217da5a SHA-256: d2003b3e021305e7915923768d93be616758782c840cb2f8d2cba0c2ee7e93b2
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, identified as a link farm. The embedded document body text, though partially corrupted, contains references to 'viper rpn 7752v charger' and application metadata, suggesting a lure or obfuscation. The primary attack pattern involves directing users to a multitude of external PDF resources, likely for SEO manipulation or to host further malicious 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://esperanzamassagetherapy.com/uploads/1/3/0/9/130969659/130969659.html#viper+rpn+7752v+charger PDF link annotation
    • http://delanielphotos.com/uploads/1/3/1/4/131438775/8917223.pdfIn PDF document text
    • http://thegauge.us/uploads/1/3/0/4/130476294/garevurolewiso-tisariwedex-kenubagefas.pdfIn PDF document text
    • http://gphc-handover.com/uploads/1/3/0/6/130639349/54340.pdfIn PDF document text
    • http://www.treehouseyogaaustin.com/uploads/1/3/0/6/130640074/banelaba_daxeted_xudemo_sudozogaro.pdfIn PDF document text
    • http://lordoftheblock.com/uploads/1/3/0/5/130589115/8f62cf0f34579.pdfIn PDF document text
    • http://missioapps.com/uploads/1/3/0/9/130969953/ligagofidaf_jejigunasuvap_jufajavuwuwu_wejeva.pdfIn PDF document text
    • http://canniny.com/uploads/1/3/0/7/130776737/bafanov-dowekesi-delibuxirefun.pdfIn PDF document text
    • http://www.woodystreeservice-net.parkertreeservice.net/uploads/1/3/0/9/130969850/987d8ea2165b6.pdfIn PDF document text
    • http://jackpassionsbeard.com/uploads/1/3/0/4/130476385/kadijumem_bujenipew_tozezu.pdfIn PDF document text
    • http://echoforassembly.com/uploads/1/3/0/2/130272580/lepurixekabapi.pdfIn PDF document text
    • http://sxull.net/uploads/1/3/1/1/131164159/wulixeka.pdfIn PDF document text
    • http://simplycfood.com/uploads/1/3/0/5/130550868/pidikawa-xaxeka-zabami-nagozodugoja.pdfIn PDF document text
    • http://thats-so-fetch.com/uploads/1/3/0/7/130775346/33039cb0.pdfIn PDF document text
    • http://2018industrialexchange.com/uploads/1/3/1/1/131164424/roxukimufu.pdfIn PDF document text
    • http://loomislawfirm.com/uploads/1/3/0/7/130739964/acab38c25b.pdfIn PDF document text
    • http://hostmaster.nicolahyslop.com/uploads/1/3/0/5/130588328/xilat.pdfIn PDF document text
    • http://groenrang.com/uploads/1/3/0/6/130639691/xatawaju.pdfIn PDF document text
    • http://getpublishedgetknown.com/uploads/1/3/0/5/130588267/soxarejonukimur_wamikodileje_tibebozafex.pdfIn PDF document text
    • http://betabuilders.net/uploads/1/3/0/7/130739719/9056243.pdfIn PDF document text
    • http://bronwynfairchild.ca/uploads/1/3/0/5/130588222/mizurupasutigopixix.pdfIn PDF document text
    • http://pdxpupusas.com/uploads/1/3/0/5/130590325/101f7a.pdfIn PDF document text
    • http://michaeloneill2006.com/uploads/1/3/0/6/130621397/4969068.pdfIn PDF document text
    • http://lakewoodvillageverobeach.com/uploads/1/3/1/1/131164199/mumamalisew.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
🗂 Part of campaign: micahchristian.org 5 samples

Related samples 2

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006142.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6142 7608 bytes
SHA-256: c404b96c7de520ddc1f0309acd2647e79069866354934cb7a155e4fa162f5ab6

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