Malicious PDF — malware analysis report

Static analysis result for SHA-256 84b2aaa099b58dbf…

MALICIOUS

PDF

45.9 KB Created: 2020-04-04 08:38:14 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 49960fccdd890d6e0abbab04aaa9478f SHA-1: 627e1d231529f1f597013a71b10a90f238f0fcaa SHA-256: 84b2aaa099b58dbf839bffc45bc9b93e21530c997a6ad83741c30f0c1fc2c5e7
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or distribution network. The document body, though partially corrupted, contains a URL that aligns with the observed link farm pattern. No scripts were extracted from this sample.

Heuristics 3

  • 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
  • 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://datanetguatemala.com/uploads/1/3/0/8/130813649/130813649.html#ejercicios+de+fisica+resueltos+caida+libre
    • http://thewisdomofshe.com/uploads/1/3/0/5/130588529/jososabizo-popovev-dawatalebepuwav-potajajokides.pdf
    • http://skypixs.org/uploads/1/3/0/2/130291827/fc6923b9c.pdf
    • http://gesegnet.org/uploads/1/3/0/5/130588461/913682.pdf
    • http://wildoutsidersclub.com/uploads/1/3/1/4/131453657/dixowasup.pdf
    • http://elementalembodiment.com/uploads/1/3/0/5/130539658/dubofumineri.pdf
    • http://amsekeres.com/uploads/1/3/0/6/130604338/lenuwaxamoxun.pdf
    • http://muazmee.com/uploads/1/3/0/2/130288684/1609034.pdf
    • http://houseofpeacehouston.com/uploads/1/3/1/4/131438825/gikafaxajanitug_tanalixuf_woxodusafu_rojonafufezufa.pdf
    • http://mydragonflyartsstudio.com/uploads/1/3/0/6/130604886/fabasatavuvej.pdf
    • http://crossroadforangels.com/uploads/1/3/0/3/130313000/3c85d564f7d.pdf
    • http://appcallservice.com/uploads/1/3/1/0/131070611/wokakamu_saluk_sopiwese_dorivosuf.pdf
    • http://graydonconstruction.org/uploads/1/3/0/2/130287548/4141131.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bed.bin
1957428794578a072b8983e864e5701b52391162abfb2d6d14c6295fa8a16687		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BED 6444 bytes
font_01_sfnt_off00007baf.bin
2971c53024f2f9b747d093d1c8c10405467790650ff7d0cc66a7132a4251c1a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BAF 8280 bytes
font_02_sfnt_off00009a11.bin
f654d4792efdf15ab94b20e642e192a81e8a9426c77aef1608673460db686204		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A11 3704 bytes

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