MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a lure related to 'relations and functions answer key' and embeds a large number of external links. One of these links, 'https://ttraff.ru/pify?keyword=relations+and+functions+answer+key', is identified as a known malicious redirector. The presence of numerous PDF links, many pointing to external resources, suggests a link farm or redirection strategy to distribute malicious content. No scripts were extracted, but the embedded links are the primary vector for malicious activity.
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=relations+and+functions+answer+key
- http://besin.augustahomesnc.com/uploads/1/3/1/6/131637149/doleni_lamelivemi_bofege_nunek.pdf
- http://files.heartlandarchery.ca/uploads/1/3/1/4/131437984/f713b787c.pdf
- http://rugiganif.sdmwoodworkings.com/uploads/1/3/1/3/131378816/sisefedunodofuviguv.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/6772/8279/files/gifogibosenubigaw.pdf
- https://cdn.shopify.com/s/files/1/0435/2396/5079/files/forolomopojen.pdf
- https://cdn.shopify.com/s/files/1/0432/1483/1780/files/22135142304.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32600433864.pdf
- https://cdn.shopify.com/s/files/1/0440/4363/2805/files/acls_cardiac_rhythms.pdf
- https://cdn.shopify.com/s/files/1/0435/7108/5475/files/inorganic_chemistry_notes.pdf
- https://cdn.shopify.com/s/files/1/0431/9153/3725/files/58679974818.pdf
- https://cdn.shopify.com/s/files/1/0428/9606/4671/files/tuwanibolibowojulamozor.pdf
- https://cdn.shopify.com/s/files/1/0465/2938/0510/files/mavilorazagibirupekewi.pdf
- https://cdn.shopify.com/s/files/1/0434/6006/7480/files/48746550477.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_off00004924.binf8cddff3a90b8e022592a08ccdf18080b8607d98a2b31310749f4544922c39df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4924 | 5280 bytes |
font_01_sfnt_off00005b44.bincd8c9a242db500a78e16de104a1c1be669db86995fc8b4cbe57251e7decb069c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B44 | 11648 bytes |
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