MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with the primary link directing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure, presenting itself as a 'Figure caption report'. The presence of embedded URLs and the malicious redirector strongly suggest an attempt to lead the user to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=figure+caption+report
- http://files.forestvilleanglican.com/uploads/1/3/1/4/131453967/pevodulibomonalavaxu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0445/5153/6799/files/watauga_county_roads.pdf
- https://cdn.shopify.com/s/files/1/0432/8521/7436/files/gawetemujitawajego.pdf
- https://cdn.shopify.com/s/files/1/0430/0914/7043/files/hunter_hayes_wanted_song.pdf
- https://cdn.shopify.com/s/files/1/0436/2698/7680/files/63838288742.pdf
- https://cdn.shopify.com/s/files/1/0431/0351/8887/files/janivedajesusetojoketi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81667611697.pdf
- https://cdn.shopify.com/s/files/1/0438/4371/5229/files/assam_tet_2020_admit_card_download.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b8c.bind2f4b23515d9dd3c8ad0ce8e05a41d3c22a0df676878209e344f0575546c4d77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B8C | 4728 bytes |
font_01_sfnt_off00006bac.bin6467913642c48db2be8d35bee35eb4ea96e003a7b43e379e224b83832200699a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BAC | 9928 bytes |
font_02_sfnt_off00008da2.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DA2 | 4324 bytes |
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