PDF malware analysis — malicious · b7567ddc3f710831

MALICIOUS

PDF

48.9 KB Created: 2020-08-23 01:49:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4075312a552c0fe35dbdda111317c7b8 SHA-1: 6420546c8d6ec0950b3c7ce23771563b11f97ed9 SHA-256: b7567ddc3f71083169bee5d3157e13603fc80a9eb812c96f4b4a209c3cebb963

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector at `https://ttraff.com/pify?keyword=direction+compass+for+mobile`. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on `cdn.shopify.com` and various other domains, suggesting a link farm or redirection scheme designed to lead users to malicious content.

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=direction+compass+for+mobile
- http://files.finlaysonspetcarecenter.com/uploads/1/3/1/3/131378990/ruderakezuna.pdf
- http://nonik.aimeewalker.co.nz/uploads/1/3/0/8/130873822/gaxulimasa_lubug.pdf
- http://mebawul.lasvegasorientalmedical.com/uploads/1/3/1/4/131436967/vixubimodu-wijezikafex-watobosokexabo.pdf
- http://files.oneagleswingsnorth.com/uploads/1/3/1/4/131438495/watiza.pdf
- http://pezed.cbcustomflyrods.com/uploads/1/3/0/8/130814328/wadedum-kalosopuvopuji-wakevozix-dezulil.pdf
- https://cdn.shopify.com/s/files/1/0434/8903/4402/files/systematic_literature_review_template_doc.pdf
- https://cdn.shopify.com/s/files/1/0428/1437/4047/files/misazo.pdf
- https://cdn.shopify.com/s/files/1/0429/8260/4963/files/xixoxid.pdf
- https://cdn.shopify.com/s/files/1/0431/8740/4968/files/jopisuzanajar.pdf
- https://cdn.shopify.com/s/files/1/0433/4511/7342/files/57222142332.pdf
- https://cdn.shopify.com/s/files/1/0435/4444/5092/files/update_password_outlook_app_android.pdf
- https://cdn.shopify.com/s/files/1/0437/6975/7850/files/fugorabileve.pdf
- https://cdn.shopify.com/s/files/1/0432/6889/8966/files/76490331729.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006278.bin` `31698471706ecb022377442c5860a9650e21309bc3cd4b096a24f1c8b01e65ac`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6278	5300 bytes
`font_01_sfnt_off00007456.bin` `1182553af4e4e1d4f08dc5c53a41ba3cf7bb24133579164eb638a84c8e765df2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7456	2012 bytes
`font_02_sfnt_off00007d89.bin` `7b6ff597d95551c117a89088b7f107e7c906555d30e9744d8f7f6d7a07333f70`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D89	10188 bytes
`font_03_sfnt_off0000a0aa.bin` `cb8b0c3b75634a3ac40028f3142d2b99dbff9c8bfe93654f62892c2eba89f065`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA0AA	16336 bytes

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