MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous links, many of which point to a redirector service (ttraff.com) that is associated with malicious activity. The document body and heuristics suggest a lure related to accounting systems, likely intended to deceive users into clicking these links. The ML classifier strongly indicates maliciousness, and the presence of a link farm further supports a malicious intent, possibly for phishing or distributing further malware.
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.com/wb?keyword=advantages%20of%20computerised%20accounting%20systems%20over%20manual%20systems In PDF document text
- http://files.thebrainybrunette.com/uploads/1/3/1/4/131453904/5774775.pdfIn PDF document text
- http://jirepiwut.violettapretorius.com/uploads/1/3/0/7/130738914/webofelizolagoxa.pdfIn PDF document text
- http://zudiwome.europeanburmesebc.org/uploads/1/3/2/6/132682883/wamuvadakugu-vosuz.pdfIn PDF document text
- http://files.rachelheltonmusic.com/uploads/1/3/1/1/131164009/sexarololanovogab.pdfIn PDF document text
- http://files.rascalmartinez.com/uploads/1/3/1/4/131437689/8220341.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/1/0430/5013/9801/files/21280977518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3456/5025/files/buvipujigajedexejafepuso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3664/5275/files/85483370067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1921/4756/files/gibulepolizomidilado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4831/2740/files/faa_airframe_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0046/2501/files/believe_in_yourself_full_book_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7090/5756/files/mackie_profx8v2_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2854/4668/files/new_atkins_food_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/24954259422.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5544/6176/files/fusionner_deux_acrobat_reader_dc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5942/0063/files/57480082087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6191/9390/files/migile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70913092576.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0406/6983/files/navowedetatebufidu.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_off00006be5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BE5 | 5628 bytes |
SHA-256: a2efb130e0daf7a056f87eda80f89e46f82bcf6c81b7a688a6fc4cbc0b515af0 |
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font_01_sfnt_off00007f02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F02 | 9916 bytes |
SHA-256: aa00f4b71ace024f05f6d318b6253fd348b25cc422b281417419f13ee1c6a3ed |
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