PDF malware analysis — malicious · 20a29a18544fd36b

MALICIOUS

PDF

59.9 KB Created: 2020-08-07 02:56:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a47f34bdfc3e6c96dfbab2bd1fce5962 SHA-1: 6764c0e06023fc35fc8f326a71aafcf08ff537a4 SHA-256: 20a29a18544fd36b8ce96eceaed7b5189ac24ff06d8b158b3285ebc2c683e1c0

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=tatalaksana+atresia+ani+pdf'. Additionally, it exhibits a PDF link farm pattern, with numerous links hosted on cdn.shopify.com, including 'https://cdn.shopify.com/s/files/1/0437/1097/2056/files/41288370575.pdf'. The document body, though heavily obfuscated, contains fragments suggesting urgency, aligning with the SE_URGENCY_LURE heuristic.

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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=tatalaksana+atresia+ani+pdf
- http://files.audaciouslifestyle.com/uploads/1/3/0/7/130738621/xusamagowes-suvixap-sabumisisinezo-zogabuvapafu.pdf
- http://perofemix.fbchurch.ca/uploads/1/3/1/4/131454106/pefutesopubavuzexo.pdf
- http://files.mariannezarzana.com/uploads/1/3/0/7/130739696/redulog.pdf
- https://cdn.shopify.com/s/files/1/0437/1097/2056/files/41288370575.pdf
- https://cdn.shopify.com/s/files/1/0430/3598/4029/files/didul.pdf
- https://cdn.shopify.com/s/files/1/0430/6750/6837/files/les_miserables_i_dreamed_a_dream_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0431/8697/8984/files/zujefipobosonunuv.pdf
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/pixadulibixeniku.pdf
- https://cdn.shopify.com/s/files/1/0430/0944/1953/files/13667739117.pdf
- https://cdn.shopify.com/s/files/1/0432/2561/2450/files/bametejifowavibedeguva.pdf
- https://cdn.shopify.com/s/files/1/0428/6663/9014/files/pefejobekafivexuvaxifiw.pdf
- https://cdn.shopify.com/s/files/1/0432/8914/9608/files/35644241789.pdf
- https://cdn.shopify.com/s/files/1/0437/9626/7165/files/bobilubu.pdf
- https://cdn.shopify.com/s/files/1/0448/4166/4669/files/tin_can_seaming_roller.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_off0000ad58.bin` `bcd6a79cb923ddfee5e17d681c350d54814b7c6608df0d2daa58db21e04f1001`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAD58	5048 bytes
`font_01_sfnt_off0000be8f.bin` `d35e586c673a48b3030a5f0f19f3dfbc274e4aaebf8ce1e7ca08a7b770a04d25`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBE8F	10632 bytes

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