PDF malware analysis — malicious · f3177794fc750e05

MALICIOUS

PDF

42.6 KB Created: 2020-08-20 23:59:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: af9f9e2ed7cf0b033662dccb83f6316a SHA-1: 594a33e6c27a187e087532db42b17e0c95bfd228 SHA-256: f3177794fc750e0523db3c9f7552819fe710da89709b4d1cc08a660eef708d63

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=microsoft+word+mac+business+card+template'. This indicates the document is designed to lure users to a malicious site. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=microsoft+word+mac+business+card+template
- http://lamewema.georgetownpiano.com/uploads/1/3/1/3/131379641/6046841.pdf
- http://files.pmsmachinery.us/uploads/1/3/1/3/131382274/5d0d1e.pdf
- http://kanudutes.tlusty.solutions/uploads/1/3/1/4/131410685/92ddcf8f09.pdf
- http://files.teeiabodesignsartexpressions.com/uploads/1/3/0/9/130969987/motizitesi.pdf
- http://metej.artisan-creative.com/uploads/1/3/1/4/131437252/0db19e29f19750.pdf
- https://cdn.shopify.com/s/files/1/0431/9523/6513/files/o_level_additional_mathematics_textbook.pdf
- https://cdn.shopify.com/s/files/1/0438/0593/3730/files/free_download_android_studio_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0431/3012/6496/files/kiwivuv.pdf
- https://cdn.shopify.com/s/files/1/0437/9538/2429/files/54873597219.pdf
- https://cdn.shopify.com/s/files/1/0437/6684/1505/files/34566401160.pdf
- https://cdn.shopify.com/s/files/1/0436/2308/8290/files/sejejusemovikote.pdf
- https://cdn.shopify.com/s/files/1/0436/9884/7896/files/atmega8_pin_description.pdf
- https://cdn.shopify.com/s/files/1/0428/5402/3327/files/redurutowiwave.pdf
- https://cdn.shopify.com/s/files/1/0432/7125/8278/files/70019392990.pdf
- https://cdn.shopify.com/s/files/1/0430/4414/3253/files/roller_coaster_decap_deer.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005c1c.bin` `43584dba51ecf111768b69d1be029f66b6fd4d52cd263b36173517946a3ce39e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C1C	5420 bytes
`font_01_sfnt_off00006e76.bin` `148e37c19ec396dcabbfc7145965fd99b750e2235ea4b85e586395df178d8574`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E76	9612 bytes
`font_02_sfnt_off00008f0c.bin` `ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F0C	4324 bytes

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