PDF malware analysis — malicious · a44ea0ff8f65a07b

MALICIOUS

PDF

43.8 KB Created: 2020-08-09 13:29:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6323d22fc989cd0c293103ed7497b144 SHA-1: 635c9cca5e2aeab5b59fdda4ea22164245bebe16 SHA-256: a44ea0ff8f65a07bf933d8847ce2bb2f3cc944902e14a787451da00abe4a16d0

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a deceptive title and numerous links, many of which point to a link farm hosted on Shopify. One critical heuristic indicates that the document links to known malicious redirector infrastructure, specifically 'ttraff.com'. This suggests the primary purpose is to redirect users to malicious sites, likely for phishing or malware distribution. No scripts were extracted, and the document body is heavily obfuscated, but the presence of the malicious redirector is a strong indicator of malicious intent.

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/pify?keyword=chemical+engineering+interview+questions+pdf
- http://files.tarabooth.com/uploads/1/3/0/7/130739781/lobokabumexu.pdf
- http://files.lucieradcliffe.com/uploads/1/3/1/4/131409309/viponibozibezutalol.pdf
- http://lasejad.psvideography.com/uploads/1/3/0/8/130814328/256eddb6d3e04.pdf
- http://files.moldingminds.org/uploads/1/3/0/7/130775310/vifus_nowabatinu_pifalen_posanurovanur.pdf
- https://cdn.shopify.com/s/files/1/0431/5624/2581/files/48669824166.pdf
- https://cdn.shopify.com/s/files/1/0431/5247/4267/files/zakofatura.pdf
- https://cdn.shopify.com/s/files/1/0430/3070/8375/files/97317608981.pdf
- https://cdn.shopify.com/s/files/1/0431/5955/2155/files/yasin_al_kalam.pdf
- https://cdn.shopify.com/s/files/1/0434/8647/8489/files/operation_management_11th_edition.pdf
- https://cdn.shopify.com/s/files/1/0436/8809/9993/files/fawosefatofotesujobod.pdf
- https://cdn.shopify.com/s/files/1/0435/7200/2974/files/tevosixodu.pdf
- https://cdn.shopify.com/s/files/1/0433/0101/1614/files/27102868309.pdf
- https://cdn.shopify.com/s/files/1/0437/3273/0017/files/1981_cutlass_supreme.pdf
- https://cdn.shopify.com/s/files/1/0431/3926/8765/files/sodin.pdf
- https://cdn.shopify.com/s/files/1/0432/8852/7013/files/gatiwoxeveme.pdf
- https://cdn.shopify.com/s/files/1/0433/8706/0375/files/blindagem_patrimonial_e_planejamento_jurdico.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_off00006ac5.bin` `e376e757a8ebc0e96f43a26bb10d6c2036f525688acd412f2420e69f8b499864`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6AC5	5752 bytes
`font_01_sfnt_off00007e32.bin` `829c2bf36c93d9a8f54d4dab863e645bea5b0b1dec70975a955b86cb0fdcd213`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E32	10624 bytes

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