MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a malicious redirector link that masquerades as a free book download, aiming to trick users into visiting a potentially harmful URL. The presence of numerous external PDF links suggests a link farm or SEO manipulation tactic. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a phishing or malicious redirection attempt.
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=spanish+language+learning+book+pdf+free+download
- http://files.locksmithpros-wa.com/uploads/1/3/0/7/130739654/3682248.pdf
- http://files.gairdin.com/uploads/1/3/1/4/131482975/bibesifuwoxug.pdf
- http://jalaru.kenjorgensendesigns.com/uploads/1/3/1/8/131856257/4623925.pdf
- http://files.ohvta.com/uploads/1/3/1/3/131383493/vovule.pdf
- http://files.jennamilleryoga.com/uploads/1/3/0/7/130775741/8437249.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/6016/5797/files/sunuju.pdf
- https://cdn.shopify.com/s/files/1/0431/1675/7154/files/vevubawaw.pdf
- https://cdn.shopify.com/s/files/1/0428/4963/2412/files/66164699881.pdf
- https://cdn.shopify.com/s/files/1/0433/2417/8600/files/biochemistry_book_stryer.pdf
- https://cdn.shopify.com/s/files/1/0433/6081/3208/files/jujutifefiforedin.pdf
- https://cdn.shopify.com/s/files/1/0431/7036/5602/files/86579126644.pdf
- https://cdn.shopify.com/s/files/1/0427/9658/1020/files/rexagiwe.pdf
- https://cdn.shopify.com/s/files/1/0430/6062/5557/files/89172226057.pdf
- https://cdn.shopify.com/s/files/1/0437/5894/4405/files/acca_f8_past_exam_papers_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0437/3485/9930/files/cheryl_strayed_book.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_off0000766a.bin877a8f78bf0ae016f7fea3256a1306b8c97cbda2f1b04a0ce5a3e61a027878c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x766A | 5704 bytes |
font_01_sfnt_off000089d1.binb6c69ae223b9c4452d412e0d2b611612aa2d4f6159141aef176a8b78d5f58aef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89D1 | 10088 bytes |
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