MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. It also contains a PDF link farm heuristic, indicating a large number of external links, with the first being to 'cdn.shopify.com'. The document body, though heavily obfuscated, contains text related to 'Blanchard macroeconomics 7th edition pdf', suggesting a lure for users searching for this material. The primary attack vector appears to be directing users to malicious infrastructure via embedded links.
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=blanchard+macroeconomics+7th+edition+pdf In PDF document text
- http://files.christinaandcanines.com/uploads/1/3/1/3/131384635/denenefizafuxat.pdfIn PDF document text
- http://files.louatelier.com/uploads/1/3/1/3/131383255/pesada-puwup-nugof.pdfIn PDF document text
- http://files.wilmingtonartcenter.org/uploads/1/3/2/7/132712324/wifevediwar.pdfIn PDF document text
- http://files.kingdomperspectives.net/uploads/1/3/1/3/131379049/304308.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/1/0427/9923/5228/files/mivovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1593/7948/files/90243986094.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3706/5370/files/35332474030.pdfIn PDF document text
- https://zaxufakizu937564281.files.wordpress.com/2020/07/daputu.pdfIn PDF document text
- https://paxelotabi.files.wordpress.com/2020/07/zefanapejutobas.pdfIn PDF document text
- https://lelulufeg.files.wordpress.com/2020/07/45044168714.pdfIn PDF document text
- https://nizulaxowamo181495606.files.wordpress.com/2020/06/jesevusobapegogem.pdfIn PDF document text
- https://watozidubiba.files.wordpress.com/2020/06/52244210608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4071/8496/files/89458150570.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9373/8143/files/575010413.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2906/1014/files/wibimunelutuwajutobado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9730/0899/files/74173156041.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4296/3613/files/filexesegifaxubiwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6590/9160/files/30313804382.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1970/6279/files/pimekiwupisezunewixuped.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_off0000a0a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0A5 | 5312 bytes |
SHA-256: e4e2957bd2162292b58577d88fcd59aa5f50a05ca98310ba889c8f2687684d2a |
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font_01_sfnt_off0000b27a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB27A | 10892 bytes |
SHA-256: d772817c3a7cdad7bf2ebe3ef4da6546d8da9cfe43ee4218c22c69110faabc53 |
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