Malicious PDF — malware analysis report

Static analysis result for SHA-256 dcc8b486e037aa78…

MALICIOUS

PDF

41.1 KB Created: 2020-08-12 04:54:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5329c46aaac9accf90b703a534905887 SHA-1: fd0a35d5e686c8da80dff3f5d2835f30dda3fa99 SHA-256: dcc8b486e037aa78d9b77d96b9464e9ebdb7aa774decb328dd135d6910245ab4
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, disguised as a Honda Accord owner's manual. The document body and embedded links suggest a link farm strategy to distribute malicious content. The primary malicious URL identified is https://ttraff.cc/pify?keyword=honda+accord+2020+owners+manual+pdf, which is likely used to redirect users to a further malicious destination.

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=honda+accord+2020+owners+manual+pdf
    • http://files.cohicatravel.com/uploads/1/3/0/8/130874253/rogufinegebo-roxozot.pdf
    • http://files.hither.com.au/uploads/1/3/1/3/131381607/6946379.pdf
    • http://files.south-west-women-writers.com/uploads/1/3/2/3/132302810/wotaju_gujelipu_suzub.pdf
    • http://files.jaspercountytiochcommunityassociation.com/uploads/1/3/2/3/132303041/rekefunafovamaxise.pdf
    • http://files.goethefruehlingsfest.com/uploads/1/3/1/1/131164176/mojapuzo-geritetu-rugimo-kenebi.pdf
    • https://cdn.shopify.com/s/files/1/0437/1942/6197/files/robin_engine_244cc_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/3382/9277/files/70311360156.pdf
    • https://cdn.shopify.com/s/files/1/0440/7495/9000/files/53668805772.pdf
    • https://cdn.shopify.com/s/files/1/0435/4146/3189/files/15342100662.pdf
    • https://cdn.shopify.com/s/files/1/0448/0489/8978/files/illinois_motor_vehicle_bill_of_sale.pdf
    • https://cdn.shopify.com/s/files/1/0432/4399/5298/files/27358811531.pdf
    • https://cdn.shopify.com/s/files/1/0433/4059/5352/files/43666369937.pdf
    • https://cdn.shopify.com/s/files/1/0433/5101/5577/files/bach_little_fugue_in_g_minor.pdf
    • https://cdn.shopify.com/s/files/1/0431/1705/2053/files/45985554540.pdf
    • https://cdn.shopify.com/s/files/1/0437/6936/4632/files/555_timer_astable_multivibrator.pdf
    • https://cdn.shopify.com/s/files/1/0437/7988/3170/files/92049303459.pdf
    • https://cdn.shopify.com/s/files/1/0437/7129/7943/files/36456134587.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_off00005fc9.bin
47c6456ef99cba2af46f11d9d963cf5ceae22b1642dcc8b54880f41268963334		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FC9 5628 bytes
font_01_sfnt_off000072e9.bin
65ba2d7e99d25ee3c3d9de14dd72aef5dcec46f0f19299f6e636c4918b3d8aad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72E9 10616 bytes

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