MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'https://ttraff.ru/wb?keyword=house%20of%20gold%20piano%20pdf'. This URL is likely part of a SEO poisoning or spam campaign to drive traffic to malicious sites. The document body also contains this URL and other Shopify links, suggesting a lure to download potentially malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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.ru/wb?keyword=house%20of%20gold%20piano%20pdf
- http://files.saludabaptist.org/uploads/1/3/1/4/131453245/nukuxa_domidafawaza_kabanemoz_mukategalapu.pdf
- http://files.claireallegrataylor.net/uploads/1/3/0/8/130814611/dilomupab-tizoxarewavet.pdf
- http://files.page28music.com/uploads/1/3/0/8/130874683/1ffab1956.pdf
- http://files.rosanaourens.com/uploads/1/3/1/4/131453574/7de7b.pdf
- https://cdn.shopify.com/s/files/1/0440/8731/2536/files/98117269912.pdf
- https://cdn.shopify.com/s/files/1/0429/0691/0887/files/kuxox.pdf
- https://cdn.shopify.com/s/files/1/0433/5891/2662/files/best_open_source_reader_android.pdf
- https://cdn.shopify.com/s/files/1/0436/5425/0654/files/benetuki.pdf
- https://cdn.shopify.com/s/files/1/0441/3220/4696/files/26492698050.pdf
- https://cdn.shopify.com/s/files/1/0430/2677/6227/files/xisudidizo.pdf
- https://cdn.shopify.com/s/files/1/0432/0247/8242/files/9471755517.pdf
- https://cdn.shopify.com/s/files/1/0431/5326/0701/files/jativaviginigofuxilinu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40573574370.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57955619809.pdf
- https://cdn.shopify.com/s/files/1/0432/2597/2904/files/gulurazefupowuroga.pdf
- https://cdn.shopify.com/s/files/1/0437/3292/6615/files/log_transformation_in_r.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_off0000715c.bine29efd2d9b7a876a8a22b5cb897d5eeac5d586e2d242515dd171c9218d616fa7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x715C | 5072 bytes |
font_01_sfnt_off000082b7.bin68d9ea5e2a614185420d0bdf5b57a53f03aa679f308282019fa25af5b9c2c651 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82B7 | 15728 bytes |
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