MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one specifically pointing to a known malicious redirector infrastructure. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external PDF links suggests a link farm designed to obscure the true destination or distribute further malicious content. No scripts were extracted, but the primary attack vector appears to be the malicious redirection.
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.com/pify?keyword=equidad+de+genero+ni%25C3%25B1os+pdf In PDF document text
- http://files.satindollsbundles.com/uploads/1/3/1/3/131381804/wilaweratowuw_wiremejat_budefu_dulip.pdfIn PDF document text
- http://files.tracyandstacy.com/uploads/1/3/0/8/130813755/644857.pdfIn PDF document text
- http://files.beachcitiesrockclub.com/uploads/1/3/1/6/131606789/sogefubinudavud-numafukoradidot-kubepigifagobu-dovopevudobex.pdfIn PDF document text
- http://files.andersonolineacademy.com/uploads/1/3/1/8/131858916/sekagedoko.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/1/0435/8812/4835/files/42767850673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5217/0392/files/93815882307.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6990/6854/files/52434907684.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7918/8118/files/vegogunapagujatorunex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4629/6982/files/voganoxugatufakiwexekakaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9672/7961/files/nufifa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3645/8654/files/vufutefajeruzuzisubiroju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2699/5621/files/33964931288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6146/8574/files/fizizetefozosalorobila.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6508/9941/files/xcode_5_rails.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9899/4856/files/rixuli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1645/2258/files/fijevedubananunar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2725/9811/files/89719839728.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7300/2906/files/tudazipokusu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/8750/8135/files/les_adjectifs_attributs_et_pithtes.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_off000071f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71F3 | 5272 bytes |
SHA-256: eb199e0b554313f3ebd4fbe0efc6ee3925e4772dfd614741eab05efe0a7ed677 |
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font_01_sfnt_off0000839d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x839D | 11496 bytes |
SHA-256: fd39f7bd6aab4b15c97a86c0d0a2e3a9817fbc8d782a2c9c3e39b24c7311e8f5 |
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font_02_sfnt_off0000a8e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8E1 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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