MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded URLs, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting an attempt to lure users to various sites. The ML classifier strongly flagged this PDF as malicious. The presence of the URL 'https://ttraff.ru/pify?keyword=der+bestatter+serienguide' points towards a redirector likely used for phishing or malware delivery.
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=der+bestatter+serienguide
- http://files.rbsknowledge.com/uploads/1/3/0/7/130776350/pufejo.pdf
- http://files.thegeneralmusic.com/uploads/1/3/1/3/131381374/311983.pdf
- http://nakavo.vallenduuk.pl/uploads/1/3/1/0/131070382/labolilasuk.pdf
- https://cdn.shopify.com/s/files/1/0431/4900/0864/files/lexogowo.pdf
- https://cdn.shopify.com/s/files/1/0432/8266/1526/files/que_se_significa_languidece.pdf
- https://cdn.shopify.com/s/files/1/0431/8658/5749/files/89653733340.pdf
- https://cdn.shopify.com/s/files/1/0454/0497/9368/files/antroposentrisme_biosentrisme_dan_ekosentrisme.pdf
- https://cdn.shopify.com/s/files/1/0430/9588/3925/files/49488504367.pdf
- https://cdn.shopify.com/s/files/1/0429/2427/7927/files/behringer_x32_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/6227/1898/files/wojubijeladupagof.pdf
- https://cdn.shopify.com/s/files/1/0428/3075/8054/files/36125592714.pdf
- https://cdn.shopify.com/s/files/1/0431/5506/2938/files/693666849.pdf
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/wikuzolatokobojopok.pdf
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/vogawe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89709194360.pdf
- https://cdn.shopify.com/s/files/1/0435/2855/2602/files/lodus.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_off00006e52.bin692172ffca12e95b893249950e1c1f4467c3e12d0e108967fe31636476760682 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E52 | 5100 bytes |
font_01_sfnt_off00007fb0.binb27800a21000684cd27bdf151cfccddb37f64e8e33d4e156ef2e42897d0cbd47 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FB0 | 11368 bytes |
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