PDF malware analysis — malicious · 3494b7bfb6f6f110

MALICIOUS

PDF

44.4 KB Created: 2020-08-02 17:09:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5f13e83083b57da6969d389c3b909320 SHA-1: bd224f4a54f59a3d9dd3eb901fb6e8bdb3aba065 SHA-256: 3494b7bfb6f6f11067d833ae790d61568f440c8d9cb6bd7d2e5b412315b24055

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing indicating it is a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=directv+satellite+dish+pointer'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external PDF links, many of which host benign-looking files on cdn.shopify.com, but some point to unknown domains. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the lure. The primary attack pattern involves redirecting users to potentially harmful content via a deceptive link.

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.cc/pify?keyword=directv+satellite+dish+pointer
- http://files.purplerun.net/uploads/1/3/0/7/130738755/vikalaxasipeto-jevuwelegag-tagepakufuxef.pdf
- http://files.baitem907.com/uploads/1/3/1/0/131069992/lofizibinabu-gulojetakiwuje-gabutuduj-notizib.pdf
- http://files.americandollgirls.com/uploads/1/3/1/3/131380427/765e8fd5929b5ce.pdf
- http://files.stitchthisandthat.com/uploads/1/3/0/8/130874655/7765517.pdf
- http://files.mpvtbk.com/uploads/1/3/1/3/131398461/8627162.pdf
- https://cdn.shopify.com/s/files/1/0432/6942/3257/files/62606040686.pdf
- https://cdn.shopify.com/s/files/1/0434/5597/1492/files/tusotavodakow.pdf
- https://cdn.shopify.com/s/files/1/0428/4124/3814/files/nimarazasifi.pdf
- https://cdn.shopify.com/s/files/1/0432/5546/4104/files/seginodulejejavo.pdf
- https://cdn.shopify.com/s/files/1/0431/4536/3616/files/92228973951.pdf
- https://cdn.shopify.com/s/files/1/0430/7651/8049/files/midigirelelovemaja.pdf
- https://cdn.shopify.com/s/files/1/0430/0996/6239/files/telapetuvilajumiji.pdf
- https://cdn.shopify.com/s/files/1/0434/5305/5128/files/fofigebutokesikabosejupu.pdf
- https://cdn.shopify.com/s/files/1/0438/5135/0166/files/yamaha_prop_selector.pdf
- https://cdn.shopify.com/s/files/1/0434/3093/6733/files/jupomesokuna.pdf
- https://cdn.shopify.com/s/files/1/0432/0890/0768/files/nateladamuzagub.pdf
- https://cdn.shopify.com/s/files/1/0427/5562/1031/files/woperusuxizatewefeleviwan.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_off00006fe4.bin` `e404663542624720c0393b8a09d12c019cc967f81a894162ad0cfea8be1d774f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FE4	5220 bytes
`font_01_sfnt_off000081ab.bin` `0a8954ca20b69a916749c5288b76f9b7aa82e3b1208200346a5523d413ed463c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81AB	10344 bytes

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