PDF malware analysis — malicious · a4675d20cec79787

MALICIOUS

PDF

41.2 KB Created: 2020-07-31 04:55:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7db2754c2c926682526e38a336cb1701 SHA-1: 47518ababa3abe09f0e8538d46bbb2e42eda4a20 SHA-256: a4675d20cec7978747c3543ad29479d9c89edc2a442ad654d79020f3bf4cf94f

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains numerous links, with one critical heuristic identifying it as a malicious redirector. The document body, though heavily obfuscated, appears to be a lure for the book 'Things Fall Apart'. The primary malicious URL, ttraff.com, is used to redirect users to a link farm hosted on Shopify, which likely serves further malicious content. The presence of multiple external PDF links suggests an attempt to distribute or host malicious content across various domains.

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.com/pify?keyword=chinua+achebe+things+fall+apart+download+pdf
- http://files.marine-concepts.com/uploads/1/3/1/4/131413718/1952902.pdf
- http://files.craignowickicollection.com/uploads/1/3/2/6/132695636/9ed3097cdce6.pdf
- http://files.swissornaments.com/uploads/1/3/1/8/131871390/7938973.pdf
- http://files.earlyspirit.ca/uploads/1/3/0/8/130813834/1f8f78fcb1c.pdf
- http://files.earlyspirit.ca/uploads/1/3/
- https://cdn.shopify.com/s/files/1/0435/4647/6708/files/gagazebelekikavavidafoxu.pdf
- https://cdn.shopify.com/s/files/1/0430/5548/0981/files/fugeniw.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tapowizilefaj.pdf
- https://cdn.shopify.com/s/files/1/0433/4636/2527/files/xutaferibiritogefu.pdf
- https://cdn.shopify.com/s/files/1/0435/8737/1171/files/fekojabipod.pdf
- https://cdn.shopify.com/s/files/1/0431/2956/9429/files/45100425668.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13908697451.pdf
- https://cdn.shopify.com/s/files/1/0433/4750/9416/files/57791610824.pdf
- https://cdn.shopify.com/s/files/1/0437/7811/3697/files/18147270688.pdf
- https://cdn.shopify.com/s/files/1/0430/8123/6634/files/benubitazokosawinebujefo.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/fokozinurutopagefe.pdf
- https://cdn.shopify.com/s/files/1/0433/4285/6344/files/65801059817.pdf
- https://cdn.shopify.com/s/files/1/0434/9201/6280/files/tajilutojafizulovafowus.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_off0000640e.bin` `600ec2101c88122a36d29cbce4a32ebee6ae1f59c7e0739641bd6338691bb7bf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x640E	5552 bytes
`font_01_sfnt_off000076e8.bin` `69611b1f93def8e4c382f46a221dc697e87860156a2e211a9a1b9dce9da3a32a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x76E8	9584 bytes

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