PDF malware analysis — malicious · 46e356dcac5f1957

MALICIOUS

PDF

42.7 KB Created: 2020-08-31 06:07:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8c83bba047239520e8ab75dffb99444a SHA-1: 6ba8cc32904542bfc921d07cb450c1e7ca44c732 SHA-256: 46e356dcac5f19570a2a0be49cebfd790637cb7aac88e1984266d9600dac4094

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a malicious redirector link disguised as a Yahoo Messenger update, aiming to trick users into clicking it. The document also includes a large number of links to other PDFs, likely for SEO manipulation, and hints at a password-protected archive, suggesting a multi-stage attack. The presence of a callback lure further supports a social engineering pretext.

Heuristics 5

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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/wix?keyword=yahoo+messanger+with+voice
- https://cdn.shopify.com/s/files/1/0433/8155/5350/files/calculix_for_windows.pdf
- https://cdn.shopify.com/s/files/1/0434/1537/1932/files/death_grips_quotes.pdf
- https://cdn.shopify.com/s/files/1/0430/0419/9075/files/neuroblastoma_review_article.pdf
- https://cdn.shopify.com/s/files/1/0432/7954/8580/files/structure_de_la_cellule_vgtale.pdf
- https://static.usrfiles.com/ugd/b8c837_3beccebde3b047ee88b3fe86091f6146.pdf
- https://static.usrfiles.com/ugd/e745be_3e4f433bd4b64a14af94b0ee64dae721.pdf
- https://static.usrfiles.com/ugd/b8c837_a2864dfdc6b74f54b4400425f39492dc.pdf
- https://static.usrfiles.com/ugd/b8c837_78952e12e6b24859b52aeaa7d4284209.pdf
- https://static.usrfiles.com/ugd/b8c837_7e08989398154764912b6592c21e8804.pdf
- https://static.usrfiles.com/ugd/04e6f9_50c646b2bd044d3eac271948ae1bfce0.pdf
- https://cdn.shopify.com/s/files/1/0440/3894/6981/files/fujurefadomasiwomabivamep.pdf
- https://cdn.shopify.com/s/files/1/0435/9376/0931/files/benim_hocam_trke_ders_notlar_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/2273/7830/files/23620065168.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_off00006919.bin` `2af4bed2991a4024f66beb2478b5dc4ce72216e0cece60431ffb0d2baf17ab08`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6919	5292 bytes
`font_01_sfnt_off00007b12.bin` `f4018a3d6275d1ab9b6e0eeb9cf2a5fb1e149cbd6e1068826137af1233bdb386`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B12	10216 bytes

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