MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The document body text, though partially corrupted, includes the URL 'https://ttraff.com/pify?keyword=treasures+grammar+practice+book+grade+2+pdf', indicating a lure to a malicious site. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering via a deceptive link.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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.com/pify?keyword=treasures+grammar+practice+book+grade+2+pdf In PDF document text
- http://baxosaxiv.lostintimegraphics.com/uploads/1/3/1/1/131164574/97cfae4d.pdfIn PDF document text
- http://tajof.lcfanaheim.org/uploads/1/3/1/3/131384429/nojitorowetepomalose.pdfIn PDF document text
- http://files.outfitformulacapsulewardrobe.com/uploads/1/3/0/8/130874201/vamoje-kifiwuke-gedisobijubuti.pdfIn PDF document text
- http://files.zendixie.com/uploads/1/3/0/8/130815213/xipasexonup.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0638/5573/files/luruwanekelepijowedo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0333/0208/files/fazijedezofemisudibonowex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6042/8962/files/xaperezemabajivogobuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/0129/3461/files/82673320634.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7397/9043/files/nakilege.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3293/5574/files/10960716704.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8606/2495/files/6441533237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2805/4169/files/44097998618.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1972/1115/files/14033793354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9291/8947/files/lomulimujejikagitud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/reragijod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3070/8375/files/lagusafovuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/55628578329.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8769 | 10088 bytes |
SHA-256: 4eec3b93fc88e2af2ef159723596024df3e1fd547e2a1236665824ed80e4421d |
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font_01_sfnt_off0000a8ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8BA | 5728 bytes |
SHA-256: 2da6c79f86c22e2929ae324aeb8976a8758d6e702a05dde6f2df3e2d56098895 |
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font_02_sfnt_off0000bc1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC1D | 13772 bytes |
SHA-256: 1cca786275b7b99c46a8875d0c887b21b8e11e4796951f8df514437fa51d629c |
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