Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ebd91d48a5f8459…

MALICIOUS

PDF

39.2 KB Created: 2020-08-25 01:49:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a0212776cb8b3f744d0df53058b343d7 SHA-1: 5b3fed3c2d79ae2bb4a1645dd98b2dfe61b8d77e SHA-256: 1ebd91d48a5f84599106564288d1c0746c64600def15ed5bcc3370b51a2b73a1
150 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a link to a known malicious redirector, and another noted a large PDF link farm. The document body contains text related to 'Spider man 2002 game pc', suggesting a lure to attract users to click on the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.cc/pify?keyword=spider+man+2002+game++pc
    • http://files.bmelnick.com/uploads/1/3/2/6/132696111/sufadufimudijik.pdf
    • http://files.mistiesdanceandtumbling.com/uploads/1/3/1/8/131857419/wodenibuzi_kuvunejadefopa.pdf
    • http://basusog.georgetowntavern.com/uploads/1/3/1/4/131407711/6760126.pdf
    • http://posux.ironstormcorp.com/uploads/1/3/1/6/131606156/nagurimolazipu-fadox-guzobiga.pdf
    • https://cdn.shopify.com/s/files/1/0435/2920/7957/files/rudolph_movie_tv_guide.pdf
    • https://cdn.shopify.com/s/files/1/0435/1570/7551/files/bsmrstu_admission_circular_2020_19.pdf
    • https://cdn.shopify.com/s/files/1/0434/0350/9914/files/ccleaner_professional_for_pc.pdf
    • https://cdn.shopify.com/s/files/1/0427/9674/4871/files/27163285298.pdf
    • https://cdn.shopify.com/s/files/1/0434/6576/9110/files/lajamisudevikatiraguduga.pdf
    • https://cdn.shopify.com/s/files/1/0437/1005/4554/files/15521913703.pdf
    • https://cdn.shopify.com/s/files/1/0431/8865/0142/files/84388188104.pdf
    • https://cdn.shopify.com/s/files/1/0428/3236/3676/files/setamurebedaxovu.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005bb0.bin
9272d9750d8c5cf29fc68c2f8318e0d66663a24df61949b590d42b0fe15504d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BB0 5560 bytes
font_01_sfnt_off00006e84.bin
0049cc2fc2de691a7cab8129866c19323308e1c23b7f7ce3c7951a64a4bfbe87		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E84 9972 bytes

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