PDF malware analysis — malicious · d16e7134e6926619

MALICIOUS

PDF

64.3 KB Created: 2020-08-29 22:52:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 80520d0c923c0363912721f51e127cf9 SHA-1: ab1152ddbbb38eeaa74f54472787c4031480236d SHA-256: d16e7134e6926619a1d80db7ce9edf4edbbd2969e38a1deb8bf6688d49cbf617

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it points to a known malicious URL. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/wix?keyword=pitocin+davis+drug+guide', which is likely used to redirect the user to a malicious site for phishing or malware delivery. The PDF_SEO_LINK_FARM heuristic suggests the PDF is part of a larger link farm designed to manipulate search engine results.

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.com/wix?keyword=pitocin+davis+drug+guide
- https://static.usrfiles.com/ugd/b8c837_2f5f02556bc54717b8328048df782305.pdf
- https://static.usrfiles.com/ugd/b8c837_f2813e3612024092b46563c5f60a23ff.pdf
- https://static.usrfiles.com/ugd/6f7357_79534ca5524c4c659623c8a1faef119e.pdf
- https://static.usrfiles.com/ugd/b8c837_e3992d0452ce447a8d383308d10d8727.pdf
- https://static.usrfiles.com/ugd/b8c837_2ec6fa03b22d487ca22ac3d8f9f580e4.pdf
- https://static.usrfiles.com/ugd/b8c837_4e12eab74c3741468d414bf142807c97.pdf
- https://static.usrfiles.com/ugd/b8c837_3ce0d02bfa7b458f835fcdb7f067e073.pdf
- https://static.usrfiles.com/ugd/bd5c68_511266a191254ce2ac55d05e79bf6f6d.pdf
- https://static.usrfiles.com/ugd/b8c837_c9d61f3c877047819d0cc5945c95a88d.pdf
- https://static.usrfiles.com/ugd/4b874d_9049d321483a4b10ab735ad94029a8ba.pdf
- https://cdn.shopify.com/s/files/1/0459/6206/8127/files/galvin_green_waterproof_jacket_size_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/2684/9700/files/84321992577.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977390730.pdf
- https://cdn.shopify.com/s/files/1/0434/3873/5512/files/77133213444.pdf
- https://cdn.shopify.com/s/files/1/0433/2748/8168/files/food_allergy_list_template_for_daycare.pdf
- https://static.usrfiles.com/ugd/b8c837_132b69ffa7884215a1e977c4c89356e1.pdf
- https://static.usrfiles.com/ugd/b8c837_f54f9318435f4cac88e1bd6d3ad48bfb.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000b47e.bin` `d7674e18df49b2c220bbeab71260e30de07f6841b926c773b4c48f07f4af4f5a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB47E	5136 bytes
`font_01_sfnt_off0000c601.bin` `d33d376c6fed43c7fc9b0f0b53c47eeb6f5e9171f9fe418dc9f2cf3f5026f9b8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC601	14796 bytes

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