PDF malware analysis — malicious · d7963b8dda9ab11f

MALICIOUS

PDF

40.7 KB Created: 2020-08-14 12:18:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b42e639fbf1ca81c4ff4abbe66664d71 SHA-1: e9d55aef597da7a81fb1e5a4a1445ea2bdad9031 SHA-256: d7963b8dda9ab11f7866e0b98ce5c197446e868ba8f0000d90d5219728715a22

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=twist+of+fate+season+2+free'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many hosted on cdn.shopify.com, likely to improve search engine ranking and lure unsuspecting users. The ML classifier also strongly indicated maliciousness.

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=twist+of+fate+season+2+free
- http://files.jess-cbd.com/uploads/1/3/1/4/131483143/680103.pdf
- http://dodib.gocprny.com/uploads/1/3/0/9/130969762/wabewoxobid.pdf
- http://files.screamingalley.co.uk/uploads/1/3/0/7/130739654/juninifo-rilodowa-josoxufevesep-vifegadas.pdf
- http://files.esaetapi.org/uploads/1/3/1/4/131453109/wikovuxanujezo-nerufasinifazew-gaxiwaw-kajawevafuzax.pdf
- https://cdn.shopify.com/s/files/1/0429/2473/6678/files/sidez.pdf
- https://cdn.shopify.com/s/files/1/0434/4827/1000/files/31695858694.pdf
- https://cdn.shopify.com/s/files/1/0437/5710/9402/files/algorithmic_game_theory_cambridge.pdf
- https://cdn.shopify.com/s/files/1/0432/5651/2676/files/mokimagexabapufuj.pdf
- https://cdn.shopify.com/s/files/1/0433/7873/7302/files/possessive_pronoun_exercise.pdf
- https://cdn.shopify.com/s/files/1/0437/9348/1889/files/58317434232.pdf
- https://cdn.shopify.com/s/files/1/0441/2728/9496/files/84861321655.pdf
- https://cdn.shopify.com/s/files/1/0433/7880/2846/files/14090450106.pdf
- https://cdn.shopify.com/s/files/1/0437/1300/3674/files/plan_y_programa_aprendizajes_clave_primaria.pdf
- https://cdn.shopify.com/s/files/1/0430/8110/5562/files/atticus_poem_book.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zixetirubopejama.pdf
- https://cdn.shopify.com/s/files/1/0440/2964/0854/files/hansel_and_gretel_story.pdf
- https://cdn.shopify.com/s/files/1/0431/3923/5997/files/tuguxibunu.pdf
- https://cdn.shopify.com/s/files/1/0431/6240/2967/files/vexuterovufogefa.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_off00006526.bin` `ff8ef2f9e6304b32674b11191b7d8a39f6b49dd072699ed312c5958ab680d584`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6526	4904 bytes
`font_01_sfnt_off000075f0.bin` `bb2a3ebcfb17c9b6154826b11d8dafc302c4c3177e3cb7db4607e0733ab391e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x75F0	9428 bytes

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