PDF malware analysis — malicious · 82d24288fa7be7a7

MALICIOUS

PDF

44.0 KB Created: 2020-08-20 04:12:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5e293fa2227f68106ac4252128b21374 SHA-1: 3c144044c65b1d16d83c6a1f907943e61a4afac6 SHA-256: 82d24288fa7be7a70c083af482af1dafeddb2639adcdb030989786539304072e

128 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains multiple embedded links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the same as the one identified by the heuristic. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to obscure the ultimate malicious destination. The primary malicious link identified is https://ttraff.cc/pify?keyword=rpg+maker+xp+pokemon+games, which likely serves as a gateway to further 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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=rpg+maker+xp+pokemon+games
- http://files.yoursongstory.com/uploads/1/3/1/1/131164387/774740.pdf
- https://cdn.shopify.com/s/files/1/0433/7722/9982/files/95865119758.pdf
- https://cdn.shopify.com/s/files/1/0437/5461/9041/files/genki_1_textbook_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/1810/0637/files/11064860032.pdf
- https://cdn.shopify.com/s/files/1/0431/4556/0219/files/643184136.pdf
- https://cdn.shopify.com/s/files/1/0440/6103/2598/files/xugozixa.pdf
- https://cdn.shopify.com/s/files/1/0432/9934/0448/files/97590991128.pdf
- https://cdn.shopify.com/s/files/1/0435/9267/9582/files/xifarewafopiwo.pdf
- https://cdn.shopify.com/s/files/1/0430/0485/4426/files/86254280597.pdf
- https://cdn.shopify.com/s/files/1/0431/4382/3511/files/mamoxefubosegiz.pdf
- https://cdn.shopify.com/s/files/1/0431/4395/4594/files/asme_y14_5_general_tolerancing.pdf
- https://cdn.shopify.com/s/files/1/0433/4105/4111/files/bcs_theory_notes.pdf
- https://cdn.shopify.com/s/files/1/0438/9024/5787/files/kazajogejutowijoke.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_off00006b46.bin` `d27a0881fe8b21d3254b81347874b95fbbb1e6c9a4e365051171cafc88e39920`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B46	5248 bytes
`font_01_sfnt_off00007d18.bin` `4eb6fc116c10d2dc81d349bdeba451c5b573d86ada17c0955dae3ec61676011a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D18	10776 bytes

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