PDF malware analysis — malicious · d1d418ff2e96680e

MALICIOUS

PDF

39.3 KB Created: 2020-09-07 14:26:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a4b26658aa70d5a89929ed814bf1d423 SHA-1: 5433bce3f8b1f4bfa2c2ba79a4ec40bdc30d9ca6 SHA-256: d1d418ff2e96680ec3bcdd04b7f86a2673ef85fea09248ea33a91e369b651716

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a malicious redirector link disguised as a search result for academic materials. The document body, though heavily obfuscated, contains a URL pointing to a known malicious redirector. This suggests the PDF is designed to lure users to malicious infrastructure, likely for further exploitation or credential harvesting.

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.club/wix?keyword=antrenmanlarla+matematik+1+%25C3%25A7%25C3%25B6z%25C3%25BCmleri+pdf+indir
- https://cdn.shopify.com/s/files/1/0429/8519/3621/files/california_eviction_defense_manual_free_download.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/easy_percussion_ensemble_music.pdf
- https://cdn.shopify.com/s/files/1/0438/5413/5456/files/sewezupigemadaxeko.pdf
- https://cdn.shopify.com/s/files/1/0428/2230/3911/files/duruvapetekemumupofegim.pdf
- https://cdn.shopify.com/s/files/1/0440/7810/4728/files/50318776722.pdf
- https://static.usrfiles.com/ugd/b7ed05_4e2820f7138746d9a2541f2447c06a30.pdf
- https://static.usrfiles.com/ugd/1b8612_3674845063e344bf83c08682b68a0d0f.pdf
- https://static.usrfiles.com/ugd/c0518c_b7dc58421c5a4c16ada7ea8befb15af4.pdf
- https://static.usrfiles.com/ugd/510a18_1d5d35b1a8ac4c268f9dec38ee209507.pdf
- https://static.usrfiles.com/ugd/de60da_ad0f10baf8444613b3023ec9f6c335a1.pdf
- https://cdn.shopify.com/s/files/1/0440/8583/7989/files/physical_therapy_aide_job_description.pdf
- https://cdn.shopify.com/s/files/1/0438/2982/1597/files/agustin_barrios_la_catedral.pdf
- https://cdn.shopify.com/s/files/1/0430/6986/6141/files/hydroboration_of_alkenes.pdf
- https://cdn.shopify.com/s/files/1/0433/4062/8133/files/87717743432.pdf
- https://cdn.shopify.com/s/files/1/0428/9780/1375/files/spinal_cord_tracts_anatomy.pdf
- https://static.usrfiles.com/ugd/d79848_2ccf573df9d84b24950fdd412b99445f.pdf
- https://static.usrfiles.com/ugd/f5a024_27803fcb83364fbcac7e446a8cbbbf7b.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/
- https://static.usrfiles.com/ugd/d79848_2ccf573

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000574b.bin` `3aa4a5e6de1555b9b221ffa35298b5bf62fe6f14402e38e28e3d1586c81b7bc2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x574B	5604 bytes
`font_01_sfnt_off000069d5.bin` `29e1f47a2c474f60ceceefd53845e154712aa5e5d4ad4a7c7a20265e0887ad83`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69D5	11612 bytes

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