MALICIOUS
210
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains heuristics indicating it is a malicious redirector and part of a link farm, with a lure suggesting an invoice or download. The embedded document body text, though partially corrupted, contains the URL 'https://ttraff.ru/pify?keyword=ficha+academia+excel', which is flagged as a malicious redirector. Additionally, it contains numerous links to Shopify-hosted PDFs, one of which is 'https://cdn.shopify.com/s/files/1/0430/4066/9849/files/ranomawiwibajubulodigegag.pdf'. This suggests a phishing or social engineering attack aiming to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.ru/pify?keyword=ficha+academia+excel In PDF document text
- http://files.orienmcneill.com/uploads/1/3/0/7/130775304/dc47f096141de.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/1/0430/4066/9849/files/ranomawiwibajubulodigegag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6486/6469/files/62154713943.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5680/8607/files/67312189849.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/guarana_dosagem_usual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4653/5322/files/gusezudijasaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3166/5562/files/dupugemibel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8869/0844/files/turufudukopadurotis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6500/6494/files/firaxusatezulofeziwabuvof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62042090741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7378/8321/files/delorelegazod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6404/1365/files/avery_8160_christmas_label_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/laranadokejof.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b021.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB021 | 4420 bytes |
SHA-256: 0ee8e10d307d5429a01cd47c498e29f47717113f9189a3b56c9ab89f7843336d |
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font_01_sfnt_off0000bf17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF17 | 11288 bytes |
SHA-256: 2836b56fd044f5c9233b4366b528ac815e9d37623d30bdc91df74131e375705d |
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font_02_sfnt_off0000e451.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE451 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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