MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is the primary attack vector. The document body and embedded links suggest a lure for a 'PDF to Word converter' to trick users into clicking the malicious URL. The numerous embedded links, many pointing to Shopify domains, are likely part of a link farm to improve search engine ranking for the malicious 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/pify?keyword=pdf+to+word+nitro+converter+free+download In PDF document text
- http://files.elkriverlutheran.org/uploads/1/3/2/6/132681769/kogaku.pdfIn PDF document text
- http://files.dileoenglish11h.com/uploads/1/3/1/4/131483281/1173183.pdfIn PDF document text
- http://poxine.mylakehillsreserve.com/uploads/1/3/2/3/132302780/4725142.pdfIn PDF document text
- http://sufokiv.andrealimauro.com/uploads/1/3/0/8/130814921/welasujatufetujij.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/1/0431/7616/5536/files/apple_quicktime_trailers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1321/8199/files/6309473215.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1540/5725/files/fevedavulaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8368/5270/files/pokemon_type_effectiveness_calculator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9590/8761/files/zuxedojopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4392/1820/files/scarab_of_protection_pathfinder.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3917/0466/files/8351376485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3579/5354/files/loreneso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2686/6599/files/tazafuporijebuvulojogi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0744/1053/files/que_es_contexto_social.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2505/5389/files/stardew_valley_quality_crops_bundle.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_off000065c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65C4 | 4780 bytes |
SHA-256: 25092aa28597564d76507de9e55bfa1a3da26837edd7ab45dded607f549068df |
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font_01_sfnt_off00007619.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7619 | 9860 bytes |
SHA-256: 0e8ff9796857921887f311ee0cf775cb9d67cbc0d65428c63bce9d97945f364a |
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font_02_sfnt_off000097c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97C1 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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