MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic match for a malicious redirector link and a link farm, indicating it's designed to lead users to malicious sites. The document body, though heavily obfuscated, contains text suggesting a lure related to "Becker cpa books pdf" and includes the malicious URL. The primary malicious URL identified is https://ttraff.com/pify?keyword=becker+cpa+books+pdf, which is likely part of an advance-fee scam.
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=becker+cpa+books+pdf In PDF document text
- http://files.sdbff.com/uploads/1/3/0/8/130813546/kafezamukejux.pdfIn PDF document text
- http://files.agefriendlyteaneck.org/uploads/1/3/0/8/130874278/2e02f4.pdfIn PDF document text
- http://files.twincreekgoldens.com/uploads/1/3/1/4/131453559/d47732d32.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/1/0428/9835/8432/files/wizivudid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2208/2460/files/gupibomotamobovevizaribe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8284/1250/files/albert_camus_sisyphus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/77363931764.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7147/9713/files/ximafonufekawa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5848/7703/files/zegoferilipexazedak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2058/2050/files/12451322670.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6585/1542/files/xonejebosuxefuje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2308/8290/files/19894182592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1167/8114/files/zunerolupujemudazoxosuse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9064/8994/files/puwuzikugolopaxum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3864/4123/files/zufolotul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3678/7356/files/zagirefotuvemiwetime.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000707d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x707D | 6548 bytes |
SHA-256: 4200db6c0e80cadcb5e6095e2db64c6b33cb2c0480475197fd4329a98774db8e |
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font_01_sfnt_off000080d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80D3 | 5368 bytes |
SHA-256: 79691bf246a6fac735a1ceb2cd17d808beeee96407c9a4f7bc65c109acaabe9a |
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font_02_sfnt_off0000931a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x931A | 1756 bytes |
SHA-256: f9143bc5a189c5a4a5e9cac28321b896fe8253f4de05fe801439c0b8734f4a25 |
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font_03_sfnt_off00009bd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BD5 | 10548 bytes |
SHA-256: 3ba3bb20685ea0086a8c5ee1bbb71fe7d3dec0984021f2ec9d4c8988aae6fb8a |
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font_04_sfnt_off0000c01e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC01E | 16036 bytes |
SHA-256: 354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb |
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