PDF malware analysis — malicious · 7c69ad4740e59a42

MALICIOUS

PDF

42.1 KB Created: 2020-08-02 15:46:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a34230876f7b2b6bb7f2063e6d5934e4 SHA-1: cc3121788c2b2f793298958264006f019730588f SHA-256: 7c69ad4740e59a4245107d7d628199fd68f00a31f734c630a204cb52b6f4ed12

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.cc. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the malicious URL and references to other PDFs, suggesting a lure to external content. The primary intent appears to be redirecting the user to a malicious site.

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=can+you+delete+a+retweet
- http://files.eastmanbookshop.com/uploads/1/3/0/7/130740251/zatolejoxig.pdf
- http://files.recollectiveway.org/uploads/1/3/1/8/131871699/9393181.pdf
- http://zagofa.mandakemp.com/uploads/1/3/1/6/131637257/acff743968.pdf
- http://zagofa.mandakemp.com/uploads
- https://cdn.shopify.com/s/files/1/0433/5167/0943/files/32029075472.pdf
- https://cdn.shopify.com/s/files/1/0427/9461/4940/files/valid_us_address.pdf
- https://cdn.shopify.com/s/files/1/0431/0440/3613/files/94180857191.pdf
- https://cdn.shopify.com/s/files/1/0447/6433/2181/files/first_and_last_names.pdf
- https://cdn.shopify.com/s/files/1/0429/8250/6647/files/65084816541.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38804475130.pdf
- https://cdn.shopify.com/s/files/1/0432/3501/6863/files/19498581774.pdf
- https://cdn.shopify.com/s/files/1/0429/3260/0985/files/19220292662.pdf
- https://cdn.shopify.com/s/files/1/0432/5608/6696/files/zebineritapiwenaropogug.pdf
- https://cdn.shopify.com/s/files/1/0437/4586/9985/files/36304676449.pdf
- https://cdn.shopify.com/s/files/1/0431/8052/3678/files/32761115316.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lovukapovilelogitolosir.pdf
- https://cdn.shopify.com/s/files/1/0439/6069/6990/files/figetewebituz.pdf
- https://cdn.shopify.com/s/files/1/0437/7473/8586/files/zolonutixawukoti.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_off00006827.bin` `bea71da4f5fb1c4dc4c3de37bc54ff69987633c868316d49b3cf3fc123855ea5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6827	4740 bytes
`font_01_sfnt_off00007862.bin` `2824c57d9562ff5f1e791c98f56ca6647aa74f0a289ddfebd2e882e4f5e57a80`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7862	10232 bytes

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