Malicious PDF — malware analysis report

Static analysis result for SHA-256 376f61b029e50199…

MALICIOUS

PDF

43.6 KB Created: 2020-08-16 02:30:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3d0be44462d7911c52c2fd87594df010 SHA-1: 2f12c38251e9df013deac0389c21f0dcb8343784 SHA-256: 376f61b029e50199a4c10b4086eb2e23d36e4dc40de30c4751337fc8b1f25aec
120 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to industrial equipment manuals and the malicious URL, suggesting a lure to drive traffic to malicious infrastructure. The presence of a malicious redirector indicates an attempt to lead the user to a harmful 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/wb?keyword=schwing%20stetter%20batching%20plant%20cp30%20manual%20pdf
    • http://files.dcmspantherpride.org/uploads/1/3/1/4/131452938/413e8d2f4.pdf
    • http://files.thedailydiplomat.com/uploads/1/3/1/4/131483097/8006808.pdf
    • https://cdn.shopify.com/s/files/1/0430/6901/4177/files/pitexamurubugozu.pdf
    • https://cdn.shopify.com/s/files/1/0438/8978/7048/files/carbon_dating_problems.pdf
    • https://cdn.shopify.com/s/files/1/0437/0232/1307/files/convert_to_word_on_ipad_pro.pdf
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/the_anarchical_society_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/2998/5430/files/liteon_technology_corporation.pdf
    • https://cdn.shopify.com/s/files/1/0431/8153/9483/files/tuzutitemarobufoxonin.pdf
    • https://cdn.shopify.com/s/files/1/0432/1692/8923/files/how_to_archive_a_facebook_group.pdf
    • https://cdn.shopify.com/s/files/1/0436/7931/8166/files/critical_care_nursing_made_incredibly_easy_free.pdf
    • https://cdn.shopify.com/s/files/1/0429/5829/1093/files/kokipozaxilabimezopido.pdf
    • https://cdn.shopify.com/s/files/1/0429/9338/5633/files/zawogofinutuwoganuzox.pdf
    • https://cdn.shopify.com/s/files/1/0431/0256/8599/files/bovofovax.pdf
    • https://cdn.shopify.com/s/files/1/0438/5452/8677/files/2735906124.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_off00005da8.bin
2263adc4c565424934259d9e1688f9417eb75b45c4f3c08d8b4509263012faee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DA8 5980 bytes
font_01_sfnt_off000071cb.bin
4a310a0834184632b84ae986a6c01aec9dd4f50e15f20a48a91209c5d2a0b04b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71CB 9848 bytes
font_02_sfnt_off0000937b.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x937B 4324 bytes

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