MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, which is the primary indicator of malicious intent. The document body, though partially corrupted, suggests a lure related to 'mountain bike gear shifting', which is likely a pretext to encourage clicking the embedded malicious URL. The presence of numerous external PDF links, many hosted on Shopify, further supports the link farm heuristic, indicating a distribution mechanism for malicious content.
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.cc/pify?keyword=mountain+bike+gear+shifting+guide In PDF document text
- http://files.ozarkcountryoutfitters.com/uploads/1/3/0/7/130775145/gosilesid.pdfIn PDF document text
- http://files.nmbseminar-sd.org/uploads/1/3/1/3/131398197/d34290c.pdfIn PDF document text
- http://files.lainejaderbergassociates.com/uploads/1/3/0/9/130968943/f5ac1f4bf8e2451.pdfIn PDF document text
- http://fivafeve.christinagdennehy.com/uploads/1/3/2/6/132682879/fibepesugiwarefon.pdfIn PDF document text
- http://files.mistoyo.com/uploads/1/3/0/8/130873718/2630512.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/1/0429/7578/9215/files/99544768535.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8006/4936/files/kukogomap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8265/9493/files/rakuban.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3373/9932/files/zesevizamawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/82595467958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9286/0327/files/stihl_fs_250_repair_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9779/2420/files/62322313827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0849/9618/files/bofugenuzosi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2007/4663/files/80822707311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9785/7954/files/13418151452.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/54440827626.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3346/8821/files/dosiwesemup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9937/4233/files/kenatubipapitofaxib.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_off00006378.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6378 | 5228 bytes |
SHA-256: a7f4416eaa2a2af7541b64705488c64a8444479f74fca7bf8bb1f6b59b84acf8 |
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font_01_sfnt_off0000753a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x753A | 9972 bytes |
SHA-256: fdf7e0580361af6a3ca204e8f11388c72646b3f3b62153f643db0ccb6a5c6274 |
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font_02_sfnt_off0000973b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x973B | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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