PDF malware analysis — malicious · fe512f3ae2f60990

MALICIOUS

PDF

41.0 KB Created: 2020-08-12 05:06:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0002d0fbc39bc463578701df92c9eb88 SHA-1: 5814dae27a0b1ed387fa738e01f08fbd2ce02bc1 SHA-256: fe512f3ae2f609902d8c1dcdfd517628dfbc6fd200666dfc6d500bc33f76d5ad

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a malicious redirector link disguised as a job application. The link leads to 'ttraff.com', which is known to host malicious infrastructure. The document also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning attempt to increase visibility. No scripts were extracted, but the presence of a malicious redirector is sufficient evidence of malicious intent.

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=bealls+outlet+job+application+pdf
- http://moxugaro.lisaguice.net/uploads/1/3/2/6/132696212/4199446.pdf
- http://files.nazarenechurchlurgan.com/uploads/1/3/1/8/131871785/buvitumitakutalub.pdf
- http://files.ekhohaus.com/uploads/1/3/0/7/130740222/43b2f.pdf
- http://files.novanuae.com/uploads/1/3/0/9/130969895/vofevu_kelawixewatasep.pdf
- https://cdn.shopify.com/s/files/1/0437/8660/0609/files/31338351369.pdf
- https://cdn.shopify.com/s/files/1/0432/3642/5883/files/anemia_hemolitica_autoinmune_diagnostico.pdf
- https://cdn.shopify.com/s/files/1/0431/0056/9766/files/9967247150.pdf
- https://cdn.shopify.com/s/files/1/0431/4228/3432/files/rinudiwolebesixepiralo.pdf
- https://cdn.shopify.com/s/files/1/0431/4634/6657/files/the_thrill_is_gone_bass_tab.pdf
- https://cdn.shopify.com/s/files/1/0429/6297/6921/files/fikagulaponukex.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/68876684382.pdf
- https://cdn.shopify.com/s/files/1/0440/2062/9654/files/comparative_law_of_international_arbitration.pdf
- https://cdn.shopify.com/s/files/1/0433/3905/5258/files/abnormal_behavior.pdf
- https://cdn.shopify.com/s/files/1/0432/0431/3247/files/forozamolagawop.pdf
- https://cdn.shopify.com/s/files/1/0431/1855/9393/files/butivugoxuxovekuge.pdf
- https://cdn.shopify.com/s/files/1/0427/9848/1564/files/34438664762.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_off00006131.bin` `3dfa9bd578be22c7771f4b4129ab95fc14428cff6bb1d360bf04b5c7fb98552d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6131	5316 bytes
`font_01_sfnt_off00007359.bin` `f9106c6cc303f2414322ea58a415d42ddd76633fdce22f24e0a3a4243f35097b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7359	10472 bytes

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