MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=calligraphy+name+app+free'. This URL is presented within the document body, suggesting a social engineering lure to trick the user into clicking it. The PDF also contains a large number of external links, many hosted on Shopify, which is flagged as a link farm. The primary malicious IOC is the redirector URL, which likely leads to further malicious content.
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=calligraphy+name+app+free In PDF document text
- http://files.gingersurprises.com/uploads/1/3/1/4/131408581/pijiv.pdfIn PDF document text
- http://dujafata.guqintables.com/uploads/1/3/0/8/130874565/viguwok_wavisup.pdfIn PDF document text
- http://mupuj.howesenglish.com/uploads/1/3/2/3/132302842/5896551.pdfIn PDF document text
- http://files.arcadecoffee2go.com/uploads/1/3/1/4/131437229/785157.pdfIn PDF document text
- http://files.reliefequineproducts.com/uploads/1/3/2/3/132303133/3443880.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/1/0437/8876/3298/files/23331986811.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7446/2631/files/xinisetawi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0464/6145/2440/files/gezatugaviwup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3820/2273/files/qdeoks_burn_the_stage_movie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3695/8104/files/list_of_abbreviations_for_students.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8289/8840/files/nulanajuwamulukonuwezoden.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7101/9935/files/algorithme_de_tri_cours.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4420/8797/files/mafujenotolizek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6420/5216/files/mexuxepilelovimekasum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2012/3293/files/70013307640.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007473.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7473 | 5144 bytes |
SHA-256: 8b4eb726abf76485a073c541e4e283c697f469e7bfc5a7b51ca539c4dab85e14 |
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font_01_sfnt_off000085cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85CD | 1800 bytes |
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
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font_02_sfnt_off00008e5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E5B | 12824 bytes |
SHA-256: bd01342ffee6de2476664c6b641d319dcc9f2fb3ee9e4b687f4614c59e68f64a |
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font_03_sfnt_off0000b798.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB798 | 16520 bytes |
SHA-256: 4698414b028a2bf33f2446857783e96b464e6bc1594aa36800f99dec8da3d207 |
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