PDF malware analysis — malicious · 2d9407b94b6dcde3

MALICIOUS

PDF

36.3 KB Created: 2020-08-22 00:08:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 02629b080f36b8a1b579f50d82b43a73 SHA-1: f1aa6ab3c94d09d30ad5bc71b56384f1cab94510 SHA-256: 2d9407b94b6dcde3df4004db4772d2c6db37b549ea9a660f543f921fc948cdaa

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to a known malicious redirector. The document body, though partially corrupted, contains text that appears to be a 'Hempathane 55210 data sheet' and includes the malicious URL. The presence of a link farm with numerous PDFs hosted on Shopify, alongside the malicious redirector, suggests a campaign aimed at distributing further malicious content or phishing for credentials.

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.cc/pify?keyword=hempathane+55210+data+sheet
- http://divudebu.revgretchenweis.com/uploads/1/3/1/0/131070674/dolor.pdf
- https://cdn.shopify.com/s/files/1/0430/3673/7699/files/audioquest_dragonfly_red_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/4659/1903/files/52436232369.pdf
- https://cdn.shopify.com/s/files/1/0434/0688/5020/files/php_file_upload_scripts.pdf
- https://cdn.shopify.com/s/files/1/0432/2548/1379/files/dimug.pdf
- https://cdn.shopify.com/s/files/1/0433/5622/5688/files/pamesebazenagagage.pdf
- https://cdn.shopify.com/s/files/1/0440/0827/6126/files/87803773832.pdf
- https://cdn.shopify.com/s/files/1/0428/8489/0790/files/bible_study_lessons_on_forgiveness.pdf
- https://cdn.shopify.com/s/files/1/0448/1482/7677/files/mmd_stages_dl.pdf
- https://cdn.shopify.com/s/files/1/0434/3152/6557/files/75357628846.pdf
- https://cdn.shopify.com/s/files/1/0432/0896/6301/files/vamejefekif.pdf
- https://cdn.shopify.com/s/files/1/0437/2830/6330/files/polymer_rheology_book_free.pdf
- https://cdn.shopify.com/s/files/1/0432/6585/1542/files/abrasive_blasting_machine.pdf
- https://cdn.shopify.com/s/files/1/0431/0827/0244/files/general_ability_test_year_7.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_off00004622.bin` `fa03a77cedaf091e4ff831348a115fbf3f340c850bcc9497efdc7a86d074feb8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4622	5112 bytes
`font_01_sfnt_off00005756.bin` `2da852ca7e0d51a40bb6a58f04d072f30f25365e318312eb7d79d02503c60fbb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5756	9172 bytes
`font_02_sfnt_off000076af.bin` `ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x76AF	4324 bytes

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