MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector infrastructure associated with malicious activity, disguised as a 'free online hd pdf converter'. The heuristic firings indicate a malicious redirector and a link farm, suggesting an attempt to drive traffic to potentially harmful sites. While no scripts were directly extracted, the PDF structure and embedded links strongly suggest a phishing or malware distribution lure.
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.ru/wb?keyword=online%20hd%20pdf%20converter In PDF document text
- http://zixivem.ashlieelizabethphotography.com/uploads/1/3/1/6/131606027/gevajut.pdfIn PDF document text
- http://files.sanmateolimos.com/uploads/1/3/1/3/131383553/612544a.pdfIn PDF document text
- http://fopus.boynecityhardware.com/uploads/1/3/0/7/130776485/goxavoteribeguwonum.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/7147/9709/files/fefibawitobuniwilenaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0350/1989/files/31596092860.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5102/3526/files/nesarevozafigi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7683/7785/files/59098067606.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8531/5739/files/22150176821.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0093/9164/files/sepasukixubijaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sovonuvebapade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0080/7070/files/boston_massacre_trial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/4861/9419/files/lithium_iron_phosphate_batteries.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7302/7749/files/lopovepogujizozerebobug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5749/4686/files/centrifugal_compressor_handbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6145/1681/files/arguing_about_literature_2nd_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3395/9327/files/o_meio_ambiente_em_debate.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_off000068b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68B0 | 4732 bytes |
SHA-256: 47a1745369f9d8e906fbf9be1dcc6d85493baa976bbdf393d86dad16f72da1c9 |
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font_01_sfnt_off000078bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78BD | 11276 bytes |
SHA-256: bbded1c2edaeefd4fe948acffeb9507b1f2de108616e1187309d7f838b61ed41 |
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font_02_sfnt_off00009da9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DA9 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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