PDF malware analysis — malicious · e9fc46fc2347cca4

MALICIOUS

PDF

45.1 KB Created: 2020-08-15 05:27:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9e505c8aed5a4bb37e1a4f73eb9a91a9 SHA-1: 4291c64174167877ef69a4d55d9ce9f2b13a3115 SHA-256: e9fc46fc2347cca4f087ec5455d4a532426e5c705fc1279d1f9f63ee098dba23

140 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, specifically `https://ttraff.cc/pify?keyword=accounting+information+systems+14th+edition+citation`. Additionally, it exhibits characteristics of a PDF link farm, with numerous links pointing to external PDF files, many hosted on Shopify. The document body, though heavily obfuscated, also contains the malicious redirector URL and other PDF links. The presence of a callback lure heuristic suggests a potential for social engineering beyond just a link click.

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.
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/pify?keyword=accounting+information+systems+14th+edition+citation
- http://files.survivehc.com/uploads/1/3/0/8/130813357/duzaxamavara.pdf
- http://lereva.sweetmessyfaith.com/uploads/1/3/1/4/131407005/lulok_dimobul_fafenevikonoz_bokabokobo.pdf
- http://zuzur.be-boosted.org/uploads/1/3/0/8/130814297/kuzoxage-duvuduzadiluzor-biraxokenaxe.pdf
- http://files.barefootcustomknives.com/uploads/1/3/2/8/132814624/bixajolafo.pdf
- https://cdn.shopify.com/s/files/1/0434/6678/4932/files/facebook_for_pc_free.pdf
- https://cdn.shopify.com/s/files/1/0439/4621/3544/files/68070280406.pdf
- https://cdn.shopify.com/s/files/1/0433/9430/2115/files/13035687962.pdf
- https://cdn.shopify.com/s/files/1/0432/2567/7982/files/gimoxaxivazevivoj.pdf
- https://cdn.shopify.com/s/files/1/0439/9998/5822/files/43020025822.pdf
- https://cdn.shopify.com/s/files/1/0432/0008/6180/files/gobikoketi.pdf
- https://cdn.shopify.com/s/files/1/0435/4542/8122/files/74344185916.pdf
- https://cdn.shopify.com/s/files/1/0428/4245/6231/files/winubazizov.pdf
- https://cdn.shopify.com/s/files/1/0435/3694/1215/files/16620458210.pdf
- https://cdn.shopify.com/s/files/1/0427/4136/6951/files/83359340138.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_off00006ecb.bin` `94a27e631c108f8dc68af51ba288d8f7096e96f39cd9b36e6c2ac4bb69a2e6f8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6ECB	5636 bytes
`font_01_sfnt_off000081d9.bin` `392ba88e37a79f9c8c63c2352e2105992a9ce512d3e3b012905a8b0c62f82881`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81D9	11136 bytes

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