MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL, 'https://ttraff.cc/pify?keyword=linux+shell+scripting+interview+questions+and+answers+pdf', is flagged as malicious. This indicates a likely phishing or scam attempt, using a link farm to distribute malicious content. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=linux+shell+scripting+interview+questions+and+answers+pdf In PDF document text
- http://files.chesterfieldelementarypta.com/uploads/1/3/1/6/131636903/ec8bed03992e.pdfIn PDF document text
- http://files.miriamruberlartist.com/uploads/1/3/1/4/131483019/828517e6fc26dc2.pdfIn PDF document text
- http://files.theactionreport.com/uploads/1/3/0/8/130874368/6400749.pdfIn PDF document text
- http://files.westmountwildrugby.com/uploads/1/3/0/7/130740596/wemuvevoxijit.pdfIn PDF document text
- http://files.northfieldrobotics.com/uploads/1/3/1/8/131871730/f70cef8d3f0c9c.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/1/0430/5246/6325/files/tafelaluku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5597/2501/files/bro_code_barney_stinson_francais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23158701460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/telisupuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/29548810540.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fuxojusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0296/5665/files/project_report_on_systematic_investment_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5381/7749/files/nogagomifajutufifajiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5889/6802/files/13564062525.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3422/9398/files/noxulotifuvuzun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7767/1843/files/59814452844.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/4791/4394/files/43025536634.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6432/6309/files/design_and_build_contract.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3005/9927/files/74953785205.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_off0000a10d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA10D | 5584 bytes |
SHA-256: 537441dc33791168ebc00d9d0c236ab1d1bc889d4053f6018d9487417b852ae7 |
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font_01_sfnt_off0000b411.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB411 | 14000 bytes |
SHA-256: 95f21b564c72c726e8167c1da0e329c8f60a08a094af144f65655ce7bce90235 |
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font_02_sfnt_off0000e0f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F2 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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