MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link that points to 'ttraff.ru', disguised with a keyword related to an 'anatomy atlas'. This link is intended to lure the user to a malicious site. The PDF also contains a large number of external links, many hosted on shopify.com, which is characteristic of a link farm used for SEO poisoning or to obscure the final malicious destination. The ML classifier strongly flagged this PDF as malicious.
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=anatomy+atlas+2018+apk
- http://jafabebi.grantcountyinfair.com/uploads/1/3/0/7/130776499/ranitij.pdf
- http://files.sheungshan.com/uploads/1/3/1/1/131164402/kogurelegiwipa-romezovag.pdf
- http://files.employeetimeclocks.net/uploads/1/3/2/6/132681066/belogisob-xekod-nodepife.pdf
- https://cdn.shopify.com/s/files/1/0429/2549/0332/files/kixebanadu.pdf
- https://cdn.shopify.com/s/files/1/0435/5325/9679/files/tebata.pdf
- https://cdn.shopify.com/s/files/1/0436/3347/5737/files/44943919083.pdf
- https://cdn.shopify.com/s/files/1/0431/6338/6016/files/95442420575.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nazowexoratusitufunu.pdf
- https://cdn.shopify.com/s/files/1/0430/4479/8613/files/tuwadutir.pdf
- https://cdn.shopify.com/s/files/1/0438/2644/6498/files/wojebuxigotepe.pdf
- https://cdn.shopify.com/s/files/1/0429/2050/9596/files/9101439209.pdf
- https://cdn.shopify.com/s/files/1/0435/8979/5998/files/24585622956.pdf
- https://cdn.shopify.com/s/files/1/0438/4007/7986/files/modulomuvakox.pdf
- https://cdn.shopify.com/s/files/1/0437/7395/2158/files/the_batman_who_laughs_issue_1.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_off00004fce.binb205c020263c22534706fbc54fcea39e1ce09392303721a8e4d7cb700b507185 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FCE | 5544 bytes |
font_01_sfnt_off000062a9.bin4f9400a229f517163adfa7a9353f8d2792d8f512bd129318b9397635f8d568e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62A9 | 16668 bytes |
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