MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a lure related to 'Android version names a to z pdf' and embeds multiple external links. One of these links, 'https://ttraff.cc/pify?keyword=android+version+names+a+to+z+pdf', is identified as a malicious redirector. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to attract traffic, with the primary malicious link acting as the gateway to further compromise. The SE_INVOICE_LURE heuristic further supports the idea of a deceptive document.
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=android+version+names+a+to+z+pdf In PDF document text
- http://files.tampareflexology.com/uploads/1/3/0/7/130775245/baligojixud.pdfIn PDF document text
- http://sixosin.foccm.com/uploads/1/3/1/4/131410007/xerokavezibum.pdfIn PDF document text
- http://files.annmariesgoodies.com/uploads/1/3/1/6/131606411/beteno.pdfIn PDF document text
- http://files.jamiefellows.com/uploads/1/3/0/8/130814226/1616173.pdfIn PDF document text
- http://files.goodworksbuilding.com/uploads/1/3/1/3/131380756/4102269.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/1/0435/9602/1919/files/70309443830.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5179/5107/files/golanifemujim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8434/8569/files/73014208788.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0436/9816/files/85732897242.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5723/1525/files/fovexil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5483/9461/files/72060482843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2829/9428/files/bestiary_the_witcher_3_pdf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3696/6055/files/46065424685.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6225/5006/files/68706428654.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8306/2695/files/brick_bond_patterns.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4677/9552/files/dibemul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4292/0869/files/cancioneros_cristianos_para_guitarra_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3086/1208/files/tefafosu.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_off000076db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76DB | 5252 bytes |
SHA-256: 011e1a0aa5b0ff3b764d0015cb69c13009c82ee6a4d6fd05f2338c645789389c |
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font_01_sfnt_off000088b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88B6 | 10816 bytes |
SHA-256: be9fc2c93fa13800a5f78dc6366b114a2c266be62b224b462797f136fcc85a1d |
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