MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that leads to this redirector, suggesting a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
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=begin+the+beguine+piano+pdf In PDF document text
- http://girogas.hotstuffromance.com/uploads/1/3/0/8/130874277/fewigunanizadaw.pdfIn PDF document text
- http://kamuwumol.sharrattwater.com/uploads/1/3/1/6/131637047/vadudixasamepi.pdfIn PDF document text
- http://files.hillmensoccer.org/uploads/1/3/1/8/131856917/lukizabuzu.pdfIn PDF document text
- http://kinar.fcwomenandfamilyshelter.org/uploads/1/3/1/8/131871478/4faeb4e.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/1/0434/0265/7957/files/should_i_stop_autocomplete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54341666742.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6057/5894/files/examples_of_assets_and_liabilities.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0390/2112/files/blank_map_of_european_countries.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3880/2073/files/rulazevu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9696/5269/files/android_studio_rename_path.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4116/8283/files/89299094946.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vakijuxek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5252/3929/files/51393171036.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6766/9654/files/wogunadovupezug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1609/3849/files/45319615980.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5031/1579/files/blank_tri_fold_brochure_template.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_off00006f0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F0F | 5068 bytes |
SHA-256: d9f651fc7a466614d898cb73ccef2a1066041a42dc86829fc6b5b54bae3ba996 |
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font_01_sfnt_off00008048.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8048 | 16932 bytes |
SHA-256: 10dfd5b01b3402215281a1129128e2ea3d754487b3aea3a7e0e6b910504c3e43 |
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font_02_sfnt_off0000b50e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB50E | 16120 bytes |
SHA-256: 15a68420f1c377824b8c1fd571ac7c30556db1b4bc05006bf44ec3f6c6c83208 |
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font_03_sfnt_off0000c9f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9F5 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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