PDF malware analysis — malicious · fb69499e96d7d609

MALICIOUS

PDF

46.6 KB Created: 2020-08-03 18:03:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 06c5d5da28aacbbf6183559f2ceb9ada SHA-1: 42869fe21deb664bac157fee7fcf0441e4b4baee SHA-256: fb69499e96d7d609328346541eac7ed0493b126654edb9d3c2a13b0c5001bc26

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.com/pify?keyword=recent+advances+in+plant+biotechnology+pdf'. This suggests the document is designed to lure users into clicking malicious links, potentially leading to further compromise. 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=recent+advances+in+plant+biotechnology+pdf
- http://files.karlabeck.com/uploads/1/3/0/7/130740087/8041626.pdf
- http://files.danversfreshmarketplace.com/uploads/1/3/1/4/131453062/lufixunisosu.pdf
- http://files.calgaryburnsclub.com/uploads/1/3/1/4/131452838/pemakirodixaluxunu.pdf
- http://files.creativeprintables.org/uploads/1/3/0/9/130969494/7712378.pdf
- http://files.medimeals.com.au/uploads/1/3/1/3/131398544/1359960.pdf
- https://cdn.shopify.com/s/files/1/0431/6404/1373/files/89265472563.pdf
- https://cdn.shopify.com/s/files/1/0436/4229/0336/files/pupolor.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/pumulidimonazesadatine.pdf
- https://cdn.shopify.com/s/files/1/0431/1898/5372/files/6447078628.pdf
- https://cdn.shopify.com/s/files/1/0430/5059/8562/files/48018675132.pdf
- https://cdn.shopify.com/s/files/1/0432/6785/0390/files/3007661143.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/69434879329.pdf
- https://cdn.shopify.com/s/files/1/0437/0713/8201/files/psychological_thriller_books.pdf
- https://cdn.shopify.com/s/files/1/0433/3341/9166/files/git_clean_cache.pdf
- https://cdn.shopify.com/s/files/1/0437/4996/5985/files/52758176304.pdf
- https://cdn.shopify.com/s/files/1/0433/1415/1589/files/63775582475.pdf
- https://cdn.shopify.com/s/files/1/0430/1537/2949/files/discord_embed_message_bullet_point.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000076e6.bin` `b9f89fef9c8de6b188df5ed52acab8a341cb6e51d2d3f341080e3045db8ce760`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x76E6	5632 bytes
`font_01_sfnt_off00008a25.bin` `78b4c173abf4cdc2928dfcc57ba3de6f4eff2d58e2f915182ae6c92e6eb07770`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A25	10180 bytes

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