Malicious PDF — malware analysis report

Static analysis result for SHA-256 757511a543c869e4…

MALICIOUS

PDF

131.6 KB Created: 2020-04-20 20:14:58 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 0af1fe2234de29f95a360403abfd6e79 SHA-1: 74d2bca01e177dfe448304979f7bef1aa9f5724f SHA-256: 757511a543c869e437fd0bac17248cb3bc94d3f6edf251120469b04ab15bd4f8
136 Risk Score

Malware Insights

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

This PDF document was identified as malicious by an ML classifier and exhibits characteristics of an advance-fee scam. It contains numerous external links, suggesting a link farm or redirection mechanism. The document body, though partially obfuscated, includes a URL that appears to be part of the lure, presenting itself as a strategic management PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 5

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://therealtordiaries.com/uploads/1/3/0/5/130543084/130543084.html#strategic+management+pdf+notes+for+m.+com
    • http://americanproshop.us/uploads/1/3/0/7/130738730/kujubuvapufipol.pdf
    • http://thewashbar.org/uploads/1/3/1/4/131409170/tefipuwopowom_kogifotumizevi_navorukap.pdf
    • http://1007dewdney.com/uploads/1/3/1/0/131070340/wenesitep.pdf
    • http://ickinesiology.com/uploads/1/3/0/5/130538990/rabonumeroj.pdf
    • http://hamptonsnaturopathic.com/uploads/1/3/1/4/131438478/zefug-xusakugudujax-xogorexek-tadukekajege.pdf
    • http://testdnsconflicts.club/uploads/1/3/0/7/130740193/zuxotug-jufoma.pdf
    • http://flusenbande.de/uploads/1/3/1/3/131379594/maziw-juzok-lakotodibepu-kosasufufag.pdf
    • http://thechairmansdaughters.com/uploads/1/3/1/4/131453924/mevatazazivumomalev.pdf
    • http://hccbillings.org/uploads/1/3/0/5/130551208/d4a24380af801a0.pdf
    • http://wildbran.com/uploads/1/3/0/6/130604632/4733056.pdf
    • http://amizidesigns.com/uploads/1/3/0/4/130483852/rafixudu_domixo_bagavatute.pdf
    • http://thehipp11emporium.com/uploads/1/3/1/4/131438804/divinatapom_zulesujowuguwar_betema_fewosev.pdf
    • http://davidakselrod.ca/uploads/1/3/1/3/131380550/tudapikijetisanep.pdf
    • http://oldnorthstateclayco.com/uploads/1/3/0/5/130551944/luveboladij_zewolifitite.pdf
    • http://fontawesome.iohttp://fontawesome.io/license/
    • 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/
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001b748.bin
b30715a2483b3804b8a6293a385d523873994bfd98e6f6b0c06b05d6653916ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1B748 1660 bytes
font_01_sfnt_off0001bf3d.bin
8a9b26673dc274430b475e902a1d522b36e5739caffdc3ef0d9e54dd6f587da9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1BF3D 8504 bytes
font_02_sfnt_off0001dfea.bin
236d54f3e2479d5e72da3d1be4616617e509581c3e9108e812f40a19f40d28ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1DFEA 2228 bytes
font_03_sfnt_off0001ea09.bin
9a492cbca95dd582bba75fa456482c4fc2773c46d1833a1726ad30c943cd0379		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1EA09 16288 bytes

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