MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to redirector infrastructure designed to obscure the final destination. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' indicate these links are part of a malicious campaign. The document body, though heavily obfuscated, contains text related to 'ansi z535 safety color chart pdf' and the malicious URL, suggesting a lure to disguise the malicious intent. No scripts were extracted, but the presence of malicious links strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=ansi+z535+safety+color+chart+pdf In PDF document text
- http://files.asifthinkingmatters.com/uploads/1/3/1/3/131382018/gopejenokijema.pdfIn PDF document text
- http://files.labednbreakfast.com/uploads/1/3/0/7/130738805/nugilixesafud_wuralevukinuvov.pdfIn PDF document text
- http://dunufor.pandgdolls.net/uploads/1/3/0/7/130739415/ccc5a9.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/1/0434/1760/0152/files/98186115492.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/59044096386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23158701460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8866/7034/files/ranegobifisuxafilalaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0515/7284/files/gen_6_pokedex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2340/8032/files/wipatamawufavovadanonat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4932/0610/files/94722597729.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4981/0070/files/33964703012.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/guvub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7418/2563/files/integer_to_string_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2259/7800/files/55228820040.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1045/7753/files/because_because_of_due_to.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6101/0842/files/pafax.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F0B | 5460 bytes |
SHA-256: 68de99a967a7552be4cc5d1b206b6f3e3355c063e136b08a7e00d4a0d10eef34 |
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font_01_sfnt_off00007193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7193 | 2048 bytes |
SHA-256: 5bbfb71e7e79db7713d2dca3d61a529cd6bdf2162d19a91745b024a6fee9cfc1 |
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font_02_sfnt_off00007a70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A70 | 10168 bytes |
SHA-256: a63d7009114d2644d4dc310ee4bf9b467c7c000b9686e631ca51d8a77a5dcca3 |
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font_03_sfnt_off00009d33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D33 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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