MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many of which point to Shopify domains hosting seemingly benign PDF files. However, one prominent link redirects to `ttraff.ru`, identified as malicious redirector infrastructure. This suggests a link farm or SEO poisoning tactic to lure victims through seemingly legitimate content, ultimately leading to malicious sites. 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/pify?keyword=chapter+2+review+worksheet+physical+science
- http://files.bethgagliardi.com/uploads/1/3/1/6/131636758/lumusazi.pdf
- http://files.keepanopenmind.net/uploads/1/3/0/8/130814642/354913.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/2421/9293/files/comunicacion_intercultural_definicion.pdf
- https://cdn.shopify.com/s/files/1/0437/9544/7970/files/vimipogedazakinovasoda.pdf
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/xexokaxekewosepalexarit.pdf
- https://cdn.shopify.com/s/files/1/0433/4940/9960/files/sasipipofiz.pdf
- https://cdn.shopify.com/s/files/1/0430/8385/8080/files/5249988531.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2125/files/bartolomeu_anania_cartea_deschisa_a_imparatiei.pdf
- https://cdn.shopify.com/s/files/1/0429/7054/6335/files/lejemekuwit.pdf
- https://cdn.shopify.com/s/files/1/0435/2484/9815/files/coriolis_flow_meter_calibration_procedure.pdf
- https://cdn.shopify.com/s/files/1/0433/7614/8638/files/neopets_the_darkest_faerie.pdf
- https://cdn.shopify.com/s/files/1/0434/4024/2840/files/89034026116.pdf
- https://cdn.shopify.com/s/files/1/0431/6797/3538/files/convert_corel_to_online.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000738c.bin3d5d347aeee5ca297ea314bb4b3ae7f39c4280aa74908e8ffa7bc2cafdd0d393 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x738C | 5376 bytes |
font_01_sfnt_off000085ec.bin154df9222ce5a3ba8ec696f2761bc838526ac2aa714c0bc336faa703275b09b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85EC | 11644 bytes |
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