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, a technique often used for SEO poisoning or to redirect users to malicious sites. One critical heuristic firing indicates a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'typhoid fever management pdf', likely a lure to attract victims.
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=typhoid+fever+management+pdf In PDF document text
- http://files.magiciantomanderson.com/uploads/1/3/0/7/130776847/d0da8115f3.pdfIn PDF document text
- http://files.musicatmainstreet.com/uploads/1/3/0/7/130739839/davetuxu.pdfIn PDF document text
- http://files.cdpvetcaucus.org/uploads/1/3/1/3/131381044/tubugok_nuzikid_jebanokata.pdfIn PDF document text
- http://files.mega-marine.co/uploads/1/3/1/0/131070238/dopofoj.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/1/0429/7257/7946/files/runafebunidevivewufige.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1590/5185/files/tugezaxijadolel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7372/4825/files/22084181035.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4933/7507/files/11745732983.pdfIn PDF document text
- https://duzawexosusa.files.wordpress.com/2020/06/ketubetak.pdfIn PDF document text
- https://lawabojivek.files.wordpress.com/2020/07/54398429514.pdfIn PDF document text
- https://nuxizosa.files.wordpress.com/2020/06/besokoje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3942/4669/files/durinozube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6341/9814/files/17598506551.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pelezegagujagemubejapo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53293114795.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0717/9941/files/73178774662.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8767/6063/files/janojifekomepuxebajoke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8946/1410/files/20793898176.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4136/5922/files/fexepe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4782/2236/files/pivux.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_off000079c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79C2 | 5144 bytes |
SHA-256: 9b2696b4ba121965f461236a4b82c68707196167c358f73c96535719a9b8dbb2 |
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font_01_sfnt_off00008b25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B25 | 10196 bytes |
SHA-256: 6c644d3d6b40a2b31b0699c86d446efe5c2aa1c65c471fe0add1a1ce675036c4 |
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