MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external resources, indicating a link farm or redirection strategy. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=diccionario+biblico+unger+gratis+pdf'. The document body, though heavily corrupted, appears to contain text related to a Bible dictionary, likely a lure to disguise the malicious intent. The presence of numerous Shopify-hosted PDF links suggests an attempt to obscure the ultimate destination or to leverage a trusted domain for hosting 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.ru/pify?keyword=diccionario+biblico+unger+gratis+pdf In PDF document text
- http://files.shopelevateonline.com/uploads/1/3/1/4/131437953/kelima-dodedal-zoxowu.pdfIn PDF document text
- http://files.thaisrussomano.com/uploads/1/3/1/3/131381839/1092220.pdfIn PDF document text
- http://files.dmdesignsoc.com/uploads/1/3/0/7/130739616/wolelodaziligi-wokejog-zafurebetefo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/12714491420.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5847/1846/files/lupuxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3431/9776/files/nokaxuxigobaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/liwisubusamepumiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/37629755229.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4291/3952/files/sorekativuzujajeguji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9010/7815/files/chaos_druids_osrs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6596/6741/files/mutumuwevezo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0963/7533/files/84063764159.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3348/5727/files/adding_and_subtracting_algebraic_fractions_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/46150969179.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B59 | 7080 bytes |
SHA-256: 9de5262c1249c19b8727eba031eea117bc7ef07835a24b8b95dda70ca24fb278 |
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font_01_sfnt_off0000733c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x733C | 5464 bytes |
SHA-256: c90840ba537a949134f22d6e84ed4e873388c016e0d1beac7b5533d550b84955 |
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font_02_sfnt_off000085dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85DC | 16320 bytes |
SHA-256: 7381ec30147e28ee9e418f0b306cfa6708075969178384ca670441b769ea455b |
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font_03_sfnt_off0000b8b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8B3 | 16312 bytes |
SHA-256: bf8f9ece8d9d74ce2d7a98a07ee1bb8f4056faf702b3b1702118181e85f1b939 |
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