MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, suggesting an attempt to generate traffic or distribute malicious content through a large number of generated PDFs. The ML classifier strongly flagged this PDF as malicious.
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/wb?keyword=vw%20polo%202017%20user%20manual In PDF document text
- http://files.chitantraflow.com/uploads/1/3/0/8/130815437/kiwavokev_kaxuxu_xalamebilapale.pdfIn PDF document text
- http://files.conleyxc.org/uploads/1/3/0/8/130873826/xolomajikesu_sekizodusaxozog.pdfIn PDF document text
- http://files.heartpieces.net/uploads/1/3/1/3/131379749/3776242.pdfIn PDF document text
- http://files.davesartdimensions.com/uploads/1/3/1/6/131606348/vojetiborakupo.pdfIn PDF document text
- http://files.neilmckenzieyouthfishingcontest.org/uploads/1/3/1/6/131606127/1963708.pdfIn PDF document text
- http://files.buffalocommonspress.com/uploads/1/3/1/4/131407214/9728085.pdfIn PDF document text
- http://files.rivercrestpto.com/uploads/1/3/0/7/130739996/lizonopemedum_gemalafadifa_lejagawoloraz.pdfIn PDF document text
- http://files.suffolkliago.org/uploads/1/3/0/7/130739809/3191777.pdfIn PDF document text
- http://files.musicattheoldchapels.com/uploads/1/3/1/6/131636689/tuwumovagup-mozikeruri.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://nojalefise.files.wordpress.com/2020/07/28744517409.pdfIn PDF document text
- https://pubizebut.files.wordpress.com/2020/06/kararusiveletosuse.pdfIn PDF document text
- https://zavoduf.files.wordpress.com/2020/07/56912329396.pdfIn PDF document text
- https://puxeter.files.wordpress.com/2020/06/98748502945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6288/6554/files/zejafeviripasijukudip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2658/7549/files/sezakiluji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3749/1354/files/dosebobi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4916/5734/files/43901885003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2086/0064/files/86969805957.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0587/8167/files/bonorin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0261/0335/files/41319969872.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5965/7374/files/18580578905.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000675b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x675B | 5184 bytes |
SHA-256: d9c3c50cef2c0dbf31c8954dacf43474d487162bb54b41d97ce0016ffe6a311c |
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font_01_sfnt_off000078f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78F1 | 10572 bytes |
SHA-256: 4e0ec418510b7caf37c6e6af8ee2fae3a318d88ef21c42bf7dbcc8ffcc638967 |
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