Malicious PDF — malware analysis report

Static analysis result for SHA-256 f62da10e901c3e77…

MALICIOUS

PDF

64.2 KB Created: 2020-03-29 10:06:16 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6a5d94532c12028a29190f5219a9b784 SHA-1: e1fd66302542af02bb7c82d4fb624b9163001d6e SHA-256: f62da10e901c3e77de936fa253d8d6360be705d88e802eae574a74e001984d75
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The document body is heavily obfuscated and contains embedded URLs, further supporting the malicious intent of directing users to external, potentially harmful, content. 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://risechildrenschoir.org/uploads/1/3/0/7/130775440/130775440.html#triangulo+de+texturas+usda
    • http://www.moniques-boutique.com/uploads/1/3/0/6/130639632/fixafotalif.pdf
    • http://gardendivafashions.com/uploads/1/3/0/4/130476229/8854497.pdf
    • http://hostmaster.150th.org.uk/uploads/1/3/0/3/130379503/7056843.pdf
    • http://vegantogosxm.com/uploads/1/3/0/3/130313632/mufomavevekinax.pdf
    • http://visitoz.org/uploads/1/3/0/2/130273617/ruwumafinero_peniboj_kodenodupufab_siporapovoji.pdf
    • http://www.spencercheplak.com/uploads/1/3/0/6/130639889/7133453.pdf
    • http://amkconstructionri.com/uploads/1/3/0/6/130604549/dizetubin-nijebiler-mezotefi-vosiletuguja.pdf
    • http://yubatowing.com/uploads/1/3/0/4/130476720/63656.pdf
    • http://secretdiscoveries-travel.com/uploads/1/3/0/5/130539105/mumitajirudanexifo.pdf
    • http://pachamamapajamas.com/uploads/1/3/0/5/130551391/6869467.pdf
    • http://southernlushgifts.com/uploads/1/3/0/6/130604300/3564153.pdf
    • http://airsprayusa.com/uploads/1/3/0/6/130604088/3495990.pdf
    • http://periodic.digital/uploads/1/3/0/7/130739552/juxixaruduramuk.pdf
    • http://bcfreshwatercatalogue.net/uploads/1/3/0/8/130874309/99b2de6a3d4f584.pdf
    • http://2mdesignlab.com/uploads/1/3/0/6/130621349/c223ec.pdf
    • http://mostloyalfan.com/uploads/1/3/0/6/130621361/modulaluvebab-janebe-kamilexeravix-jekumezeba.pdf
    • http://www.williamfriel.com/uploads/1/3/0/2/130289367/b9413df.pdf
    • http://wetlandshydrology.com/uploads/1/3/0/4/130488229/seberogabufu-rurodewazur.pdf
    • http://www.capecodgardener.com/uploads/1/3/0/7/130775002/buduxajosivexared.pdf
    • http://fremantlefloorsanding.com/uploads/1/3/0/5/130550655/3663978.pdf
    • http://foreverniagara.com/uploads/1/3/0/4/130489343/zadifaxuposelot.pdf
    • http://jacovmalul.com/uploads/1/3/1/4/131409210/navupimebujukizos.pdf
    • http://seniorsalliance.org/uploads/1/3/0/5/130541677/5e1dd85d7f0.pdf
    • http://www.telestaff.humblepolice.com/uploads/1/3/0/6/130639153/408499.pdf
    • http://sleepdex.com/uploads/1/3/0/6/130620931/tusajuvoloti-jilotak-sofakesa.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_off0000cf26.bin
c09ac207b4451b617015dc05cf8e58d71b5eae5c8aa340296be0bc18551fae4f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCF26 9560 bytes

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