MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for a cheatsheet. The presence of many external PDF links suggests a link farm or SEO poisoning attempt to drive traffic to malicious sites. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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=cheatsheet+ggplot2+r+studio
- http://fetujog.simhaco.org/uploads/1/3/2/8/132816202/48dc961a78cd6fa.pdf
- http://files.foodfightdenver.com/uploads/1/3/1/4/131437601/312e7f0e.pdf
- http://files.y4kc.org/uploads/1/3/2/7/132740804/muginil.pdf
- http://rekuver.stevesilkroad.com/uploads/1/3/0/7/130739629/ec1088.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/2134/2619/files/love_yourself_answer_album_l_version.pdf
- https://cdn.shopify.com/s/files/1/0429/8804/4442/files/19910539768.pdf
- https://cdn.shopify.com/s/files/1/0440/8927/8616/files/beatles_blackbird_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9120/files/difference_between_gate_valve_and_ball_valve.pdf
- https://cdn.shopify.com/s/files/1/0430/5197/4818/files/borges_das_aleph.pdf
- https://cdn.shopify.com/s/files/1/0439/3920/1192/files/blossom_of_the_savannah_video.pdf
- https://cdn.shopify.com/s/files/1/0428/1804/4063/files/wondershare_filmora_free_full_version_mac.pdf
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/ribevuxotetojo.pdf
- https://cdn.shopify.com/s/files/1/0429/6183/0037/files/pelovako.pdf
- https://cdn.shopify.com/s/files/1/0428/5690/6911/files/26508913705.pdf
- https://cdn.shopify.com/s/files/1/0431/9277/8916/files/2015_chevy_cruze_manual.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_off00006745.bin49f6654007af43ff31b44d07fba4e20ae4b810bee090fca116fd68009ea8f6cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6745 | 5260 bytes |
font_01_sfnt_off00007920.binc77a94f3793367569bb1908f53a32b7b297aa01add70afbc1f5be4e85fefd3df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7920 | 15040 bytes |
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