MALICIOUS
194
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, pointing to 'https://ttraff.cc/pify?keyword=android+app+development+pdf+2019'. This indicates a social engineering lure, likely aiming to trick users into visiting a malicious site by disguising it as a relevant document. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to Shopify domains hosting other PDFs. No scripts were extracted from this sample.
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=android+app+development+pdf+2019 In PDF document text
- http://tujarixe.snowangelsiberians.com/uploads/1/3/0/7/130776447/6959540.pdfIn PDF document text
- http://files.rolesvillehsptsa.com/uploads/1/3/1/3/131381919/rirerejevazudi-luzenadur-tinupawu-vuxoxifas.pdfIn PDF document text
- http://januvof.mackatak.net/uploads/1/3/0/7/130776260/rijurasugozu.pdfIn PDF document text
- http://files.jessicaleemanton.com/uploads/1/3/1/3/131384797/265a1962db2.pdfIn PDF document text
- http://files.nuclearwarfare.de/uploads/1/3/2/6/132695601/8713041.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/1/0440/5837/8392/files/bixowejebobuwezekarawom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0935/9520/files/dafanavavigoveraxovunabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4107/1016/files/22763646810.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8804/4442/files/36672101098.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/hadees_book_download_in_urdu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5221/9030/files/admirvel_mundo_novo_biblioteca_azul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5851/1510/files/rikijomujologizuxikeged.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1572/3414/files/81903458313.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/0455/9261/files/49565957967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2557/1733/files/93720361671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4669/0203/files/gepinedom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9471/9131/files/17821641667.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7342/8890/files/role_of_branding_in_marketing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5934/5573/files/16602105649.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_off000065b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65B8 | 5540 bytes |
SHA-256: 0c60532ab589d5e199dcceb80a90adc48f1a6940fb71f9843d9c613d431942e4 |
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font_01_sfnt_off00007889.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7889 | 10576 bytes |
SHA-256: d0e6fbb62a5b3e606493d17fe1d08de8e126e05fcaf4fbc01f521ae99862f9d4 |
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