MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link, which points to 'https://ttraff.ru/pify?keyword=relative+pronoun+worksheet+with+answers+pdf'. Additionally, another critical heuristic indicates a PDF link farm, with numerous external PDF links, the first of which is 'https://cdn.shopify.com/s/files/1/0435/6797/2515/files/68526374933.pdf'. A low-severity heuristic also detected a visual download button lure. These findings suggest the document is designed to trick users into clicking malicious links, likely for phishing or malware distribution.
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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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=relative+pronoun+worksheet+with+answers+pdf In PDF document text
- http://files.haitiinternationalalliance.org/uploads/1/3/1/3/131380482/mupoxunu.pdfIn PDF document text
- http://files.nurianunezhierro.com/uploads/1/3/0/7/130740213/4720479.pdfIn PDF document text
- http://files.tatiromo.com/uploads/1/3/0/7/130775364/botodepazezef.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/1/0435/6797/2515/files/68526374933.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1561/8215/files/29068305372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0872/1049/files/40139180100.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kamunikizesow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3839/1970/files/navolawuwerekafimin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7217/6799/files/77628271286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7447/7464/files/kafazapunobujobono.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3653/3151/files/33019894927.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7015/3113/files/pudizipatuwefukiminulir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2174/6847/files/62262504135.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9504/0924/files/xujuwewudoluwune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1290/6405/files/fogiwurawarokutojuful.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7641/9744/files/rixuvovoxamazinevipemu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0512/4516/files/98051544982.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_off000066ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66CA | 5236 bytes |
SHA-256: cff938d4b3eebb00281bbe1e42d38cf4b919917a33588ee37caeb488159cda20 |
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font_01_sfnt_off000078a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78A4 | 9888 bytes |
SHA-256: 1b18cfb08d29bbd9b239f7e650b03ce3befee691d18a837f62941deb20940177 |
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