PDF malware analysis — malicious · 81bc16844ddacf03

MALICIOUS

PDF

38.2 KB Created: 2020-09-13 07:39:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 00c46b345d72a9c665d6b4b94b9ef9ae SHA-1: bf8b9c9fa8adc43015d3474d804453cc75973d37 SHA-256: 81bc16844ddacf03317203c14cf80f42dc61e2faf1ef5445852a6b46c9ec497d

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, pointing to 'https://ttraff.link/wix?keyword=lace+on+steering+wheel+cover+tan+leather'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The document body, though heavily obfuscated, contains the same redirector URL. This suggests a coordinated effort to drive traffic to malicious infrastructure, likely for phishing or malware distribution.

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.link/wix?keyword=lace+on+steering+wheel+cover+tan+leather
- http://files.magicmangocreation.com/uploads/1/3/2/3/132303170/ralowotero.pdf
- https://cdn.shopify.com/s/files/1/0438/7949/7896/files/70353156113.pdf
- https://cdn.shopify.com/s/files/1/0430/8969/0773/files/48042212670.pdf
- https://cdn.shopify.com/s/files/1/0433/5294/8901/files/33575668744.pdf
- https://cdn.shopify.com/s/files/1/0441/2728/9496/files/82468927931.pdf
- https://cdn.shopify.com/s/files/1/0450/9643/5875/files/dedobudodeb.pdf
- https://cdn.shopify.com/s/files/1/0439/2275/1643/files/begatobepiradumuvonomid.pdf
- https://cdn.shopify.com/s/files/1/0433/5727/4270/files/inverted_sentence_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0429/1143/2857/files/zorisuvomobalukafi.pdf
- https://cdn.shopify.com/s/files/1/0430/7864/7957/files/97690681795.pdf
- https://cdn.shopify.com/s/files/1/0448/3517/6608/files/seismic_unix_manual.pdf
- https://static.usrfiles.com/ugd/762c1a_ce194a3c8d3546e19827d6518186dd9c.pdf
- https://static.usrfiles.com/ugd/8d57bd_41048acfa4e647a886f082bb54297ef1.pdf
- https://static.usrfiles.com/ugd/16879a_6321af1d4f68444aafd9cbb8030a0734.pdf
- https://static.usrfiles.com/ugd/4b68be_aa2c8a1bead04f81ada9e0b76ac5e072.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_off00004a4f.bin` `dd70b54313b82e97d31b67fd37bc458c8014027df3ecb8a22811f1843383d054`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4A4F	4940 bytes
`font_01_sfnt_off00005b22.bin` `a0e6797d715d64e225490723f19cca36088c43cecc90f8bfd9d7122920cc0d84`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B22	10068 bytes
`font_02_sfnt_off00007d77.bin` `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D77	4324 bytes

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