PDF malware analysis — malicious · c3a258c591e8566d

MALICIOUS

PDF

127.3 KB Created: 2020-08-13 08:45:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ac186851532375f9c5e03da7293304f9 SHA-1: a3868a91ffbeaaea34fea18ad8f7e7eac32660ec SHA-256: c3a258c591e8566d58a5d3e73d0b0739818914b04f113f0e35c8fefc5770a21c

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a lure for an advance-fee scam, specifically mentioning lottery or prize language combined with draft/funds wording and parcel delivery requirements. It also contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru', which is designed to lead users to malicious infrastructure. The document body, though heavily obfuscated, contains the same redirector URL, confirming its malicious intent.

Heuristics 4

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.
Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE

Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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.ru/pify?keyword=public+policy+analysis+pdf+national+open+university
- http://files.mvgirlshockey.com/uploads/1/3/2/7/132741334/85708ab0bcbcd7.pdf
- http://bakuxa.altris.co/uploads/1/3/1/8/131856271/298c762be.pdf
- http://vavole.rannveigkaradottirsoprano.com/uploads/1/3/1/4/131406717/8100604.pdf
- http://vuxeze.goddessofnature.org/uploads/1/3/0/8/130873826/vivuxukopida.pdf
- https://cdn.shopify.com/s/files/1/0431/5217/9364/files/75088924466.pdf
- https://cdn.shopify.com/s/files/1/0433/9744/7836/files/subway_surfers_coin_hack.pdf
- https://cdn.shopify.com/s/files/1/0440/9245/7112/files/91636857200.pdf
- https://cdn.shopify.com/s/files/1/0438/7579/5099/files/9947679362.pdf
- https://cdn.shopify.com/s/files/1/0437/9020/5090/files/13053199957.pdf
- https://cdn.shopify.com/s/files/1/0435/8724/0093/files/rti_application_form_karnataka.pdf
- https://cdn.shopify.com/s/files/1/0433/9384/3358/files/bivogex.pdf
- https://cdn.shopify.com/s/files/1/0445/6959/1967/files/vizimaletuki.pdf
- https://cdn.shopify.com/s/files/1/0437/0753/1432/files/8616727151.pdf
- https://cdn.shopify.com/s/files/1/0436/6693/1862/files/94218125265.pdf
- https://cdn.shopify.com/s/files/1/0427/9874/3719/files/rizajonowovipuloz.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_off0001b919.bin` `d590f64ba893d9841646852711bb043d72e1f028ddc4d32a37866617a3f01f65`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1B919	5452 bytes
`font_01_sfnt_off0001cba8.bin` `f79bd02d66a609100c833b59bb17bbfeaa262ddba9407b332e0437703999a449`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1CBA8	10360 bytes

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