PDF malware analysis — malicious · 41aafb843cd765a7

MALICIOUS

PDF

38.6 KB Created: 2020-08-03 08:52:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 063fab5c26ea95d2db0dce24d94ae4e1 SHA-1: 7880fe6bf63422a9a261f31a1700123746ad5107 SHA-256: 41aafb843cd765a7e81dc96a823da6e9098fef6bd64506543c21449d4d028c87

140 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a mass external link farm, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=song+show+plus', which is flagged as malicious. This suggests the primary goal is to redirect the user to a malicious site. The presence of numerous PDF links, many hosted on Shopify, indicates a potential SEO poisoning or link farm strategy to distribute malicious content.

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.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
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=song+show+plus
- http://files.mzocoill.com/uploads/1/3/1/4/131407227/pavewegatevi.pdf
- http://files.germanchatterbox.com/uploads/1/3/0/8/130813550/7751588.pdf
- http://mavopek.masterledford.com/uploads/1/3/0/8/130874050/e288b7d675.pdf
- http://files.leididonna.com/uploads/1/3/0/8/130813768/vawonagiguzu.pdf
- https://cdn.shopify.com/s/files/1/0432/7853/2758/files/nugadovaduler.pdf
- https://cdn.shopify.com/s/files/1/0435/3789/1480/files/vestirse_conjugation_preterite.pdf
- https://cdn.shopify.com/s/files/1/0437/2594/7029/files/91694400658.pdf
- https://cdn.shopify.com/s/files/1/0428/6906/3836/files/66898536520.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4969/files/91108785983.pdf
- https://cdn.shopify.com/s/files/1/0427/4431/6070/files/likor.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9115/files/zadozizurate.pdf
- https://cdn.shopify.com/s/files/1/0433/8411/1267/files/sublime_text_3_license_key_3207.pdf
- https://cdn.shopify.com/s/files/1/0433/7437/9158/files/90435316792.pdf
- https://cdn.shopify.com/s/files/1/0432/2318/7616/files/30510635482.pdf
- https://cdn.shopify.com/s/files/1/0434/6331/1512/files/kexobunozisimegupowi.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_off000059a3.bin` `14c681f458101e829e0da649a6dd1e68b7506ea7b3788c4b930f197bc0d31bad`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x59A3	4972 bytes
`font_01_sfnt_off00006aa8.bin` `91dc0891e0bc2984b653e73fda0f2fb9a0860080f0d737387c6cabbe96db0f20`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6AA8	10376 bytes

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