MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link redirects to a known malicious domain (ttraff.com). The document body, though heavily obfuscated, contains text related to 'math calculator apk' and the malicious URL, suggesting a lure for users to download a malicious application. The ML classifier also strongly flagged this PDF as malicious.
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.com/pify?keyword=math+calculator+apk In PDF document text
- http://files.labexplosion.com/uploads/1/3/2/7/132710661/kolenufexoxob-zebivexezemisax.pdfIn PDF document text
- http://fijiser.matrixbathfittings.com/uploads/1/3/2/6/132682883/1a1eb6f.pdfIn PDF document text
- http://files.caldwellgill.com/uploads/1/3/0/7/130738482/62a50ed1c54.pdfIn PDF document text
- http://files.adamhuckebymusic.com/uploads/1/3/0/9/130969385/290be76b07690d4.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/1/0433/5081/8969/files/40688122748.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0223/2983/files/psicologia_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6582/6719/files/gaxugedidopizetezosivonol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4956/6886/files/list_of_rhyming_words_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1277/6351/files/pesewoditafapexerake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9040/1687/files/ab_inbev_2016_annual_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2202/3847/files/bootstrap_boilerplate_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0074/1531/files/42980908467.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6446/6335/files/dermatophytes_traitement_pdf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0107/0247/files/kategetonewo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3149/3784/files/kagunefafegekes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5209/0022/files/noseboka.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_off0000576a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x576A | 4912 bytes |
SHA-256: ff49440287dafc3bcf5ae4c26dfb19d23ace224daabbf0d420839b03466734a0 |
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font_01_sfnt_off00006814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6814 | 4364 bytes |
SHA-256: 588833e1b7e4608ab21f6c7bfacc3871965467a58f084fbc6fe9d122f9ad106d |
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font_02_sfnt_off00007931.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7931 | 9856 bytes |
SHA-256: d1f274af6e772098de9f05c66b3fb52c7bcfd3c70aa931b31aa58f7ddf7678a9 |
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font_03_sfnt_off00009b2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B2B | 16360 bytes |
SHA-256: b17d8966426d1f4bce5a669f881c6cd0c2fbbdcc40b65066d9d0bf4b9a37b8cf |
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