Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dbd384ceaec47f3…

MALICIOUS

PDF

50.3 KB Created: 2020-08-21 15:44:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c2caec0e35b17480df22d806ba270a28 SHA-1: 47b3cb55bf595b0661312db8ee69eaac775ea312 SHA-256: 9dbd384ceaec47f327aa6cbb2da6885fa8015e06b7722cc3bf9d04a7262856c6
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

This PDF document is classified as malicious due to its structure, which includes a large number of embedded links. One prominent link, 'https://ttraff.cc/pify?keyword=bodo+funny+video++hd', is identified as a malicious redirector. The document body contains garbled text but includes the same lure phrase, suggesting an attempt to disguise malicious links as content. The presence of numerous links, many pointing to Shopify domains but also including suspicious direct links, indicates a link farm or redirection strategy to lead users to malicious sites.

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=bodo+funny+video++hd
    • http://sovemumo.jlrodgers.org/uploads/1/3/0/8/130814328/19a12f3.pdf
    • http://files.aleksanderlidtke.com/uploads/1/3/0/8/130815437/dorevas_revodawuzoge_rekid.pdf
    • http://wolix.henkpeetersarchive.info/uploads/1/3/1/4/131438860/109307.pdf
    • http://files.heqiart.com/uploads/1/3/1/3/131380427/medobanureleguju.pdf
    • https://cdn.shopify.com/s/files/1/0427/6623/7852/files/lukupijidukemawe.pdf
    • https://cdn.shopify.com/s/files/1/0431/9569/5265/files/66039939860.pdf
    • https://cdn.shopify.com/s/files/1/0428/2168/1315/files/50145977333.pdf
    • https://cdn.shopify.com/s/files/1/0435/8068/6495/files/25884299935.pdf
    • https://cdn.shopify.com/s/files/1/0430/8844/5591/files/gibikeromibedebirobazu.pdf
    • https://cdn.shopify.com/s/files/1/0430/2172/9955/files/how_to_poke_people_on_facebook.pdf
    • https://cdn.shopify.com/s/files/1/0432/5313/7576/files/mokaluvatogixuravilil.pdf
    • https://cdn.shopify.com/s/files/1/0437/3485/9930/files/auxiliary_verb_definition_and_examples.pdf
    • https://cdn.shopify.com/s/files/1/0432/1948/4839/files/bixatulumesijevubajapuk.pdf
    • https://cdn.shopify.com/s/files/1/0428/9685/1111/files/bushcraft_101_portugues.pdf
    • https://cdn.shopify.com/s/files/1/0437/0805/5720/files/balancing_chemical_equations_practice_problems.pdf
    • https://cdn.shopify.com/s/files/1/0436/3390/1726/files/41486204750.pdf
    • https://cdn.shopify.com/s/files/1/0434/6983/2354/files/arbitration_agreement.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000579a.bin
14e508866cf1e78fb1492b7e7b7c6f76f28e7156438cccd1d204b2512c1b4c1e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x579A 4688 bytes
font_01_sfnt_off00006792.bin
4aa1a8341fe56dc492b426504fdbdc6d64884c046c18a9c39a4ae58344e77787		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6792 2948 bytes
font_02_sfnt_off000073d1.bin
7e4378fe1bbb80bc93242d8d9c5d95507ba5019f54a4960bff962fc5b894fbb2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73D1 14904 bytes
font_03_sfnt_off0000a1ee.bin
e1f1b62619c57c66fc64cea5c983aac7ef2b4fc6ee1d716e6a84ca14c51792c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA1EE 17180 bytes

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