MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external resources, including a known malicious redirector. The document body, though heavily obfuscated, appears to be related to search engine optimization and download links. The presence of a malicious redirector suggests an attempt to lead the user to a harmful site, potentially for phishing or malware distribution.
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.cc/pify?keyword=makkar+ielts+speaking+jan+to+april+2019+pdf+download
- http://files.oursaviourchurch.org/uploads/1/3/2/7/132740804/dujugiduxetigi_kabed.pdf
- http://files.louannbauer.com/uploads/1/3/1/3/131380627/6022787.pdf
- http://files.oconnorselectrical.com/uploads/1/3/0/7/130740193/7281101.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38659434623.pdf
- https://cdn.shopify.com/s/files/1/0429/7608/4117/files/57619212517.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1028728638.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pekazojifedabefotekufof.pdf
- https://dakenoxuw.files.wordpress.com/2020/06/tejapora.pdf
- https://nitapid.files.wordpress.com/2020/07/fujasumutikisizob.pdf
- https://daritawaba.files.wordpress.com/2020/07/mejinaputope.pdf
- https://cdn.shopify.com/s/files/1/0430/3182/2485/files/25015313003.pdf
- https://cdn.shopify.com/s/files/1/0436/9124/5733/files/bevuvujuwidolesoz.pdf
- https://cdn.shopify.com/s/files/1/0440/6693/0840/files/kipinamivuwovi.pdf
- https://cdn.shopify.com/s/files/1/0428/8135/1839/files/28933713191.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/26225030347.pdf
- https://cdn.shopify.com/s/files/1/0427/6961/2966/files/womekomukuker.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_off00011c51.binee6b95c2d6c75428ebc20b639f3ec53e3ce438ed05aae9e6579921f4f70f19f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C51 | 5716 bytes |
font_01_sfnt_off00012ffa.bin3796d1d1c3b46455bf01bd13263bcab79a4489ee70577ca7c976da637be2414c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FFA | 10408 bytes |
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